Nothing ruins the rugged good looks of a pickup faster than a stained, sun-baked truck bed liner. Whether you haul mulch on weekends or service power tools for a living, the bed takes the brunt of every load—and the gunk that comes with it. The right cleaning kit can bring back that factory-black finish, stop premature cracking, and even boost resale value without a trip to the detail shop.
Below, you’ll learn exactly what separates a pro-grade bed-liner kit from the bargain-bin bottles. We’ll walk through chemical science, tool compatibility, and cost-per-wash math so you can shop once and clean smarter for years. No brand bias, no fluff—just the expertise you’d expect from a veteran detailer who has seen every liner type and stain combo imaginable.
Top 10 Truck Bed Liner Cleaning Kit
Detailed Product Reviews
1. Adam’s Polishes Bed Liner Restorer 16oz Truck Bed Cleaner with UV Protection | Safely Works On Automotive Exterior Plastics
Overview:
Adam’s Polishes Bed Liner Restorer is a 16-ounce spray-on treatment engineered to resurrect sun-blasted truck-bed liners and exterior automotive plastics. Marketed at $16.14 ($1.01 per fluid ounce), it promises a fast-drying, non-greasy formula that darkens faded surfaces while laying down a UV-shielding finish.
What Makes It Stand Out:
Unlike thick, oily dressings that turn beds into slip-n-slides, this restorer flashes dry in minutes, locking in a satin semi-gloss that won’t grab mulch or cargo. The built-in UV blockers don’t just cosmetically mask oxidation—they actively repel future sun damage, meaning the liner actually stays cleaner between washes because grime can’t bake into the surface.
Value for Money:
A single bottle coats an average 5.5-ft bed twice, so $8 per treatment is cheaper than a professional spray-on redo and far less hassle than scrubbing and re-applying cheap dressings every month. If it extends the life of a $400 drop-in liner by even one summer, it has already paid for itself.
Strengths and Weaknesses:
Pros: lightning-fast dry time, non-sticky finish, noticeable darkening in one pass, soap-and-water cleanup afterward is almost effortless.
Cons: scent is sharp until fully cured, overspray on paint must be wiped immediately, and heavily gouged plastic will still look scarred—this is a restorer, not a filler.
Bottom Line:
For under twenty bucks Adam’s delivers a legitimately durable “like-new” bed-liner look without the slime factor. Grab it before beach season and your truck will thank you come fall.
2. HERCULINER HCL1B8 Roll-on Bed Liner Kit,Black, 1 Gal.
Overview: J-B Weld’s Herculiner HCL1B8 is the grand-daddy of DIY bed-liner kits: a one-gallon, roll-on, black polyurethane coating that promises pro-level protection without the spray-gun hassle. Designed for pick-ups, trailers, boat decks, even garage floors, it arrives as a complete toolbox—gallon can, two rollers, brush, handle, and scuff pad—ready to turn a weekend into armor-plating for anything that takes a beating.
What Makes It Stand Out: Unlike water-based competitors, Herculiner is a solvent-borne, textured polyurethane that chemically bites into metal, wood, fiberglass, rubber and most plastics, curing to a grippy, skid-resistant skin in 24 h. The kit ships with every applicator you need; no extra guns, compressors, or masking tents. Its “original” status means two decades of real-world torture tests and YouTube validation.
Value for Money: At $89.99 you’re covering a 6-foot bed for roughly $15 per linear foot—one-third the price of a pro spray job, and you still own the leftovers for rocker panels, wheel wells, or trailer ramps. Factor in the included tools and the math gets even sweeter.
Strengths and Weaknesses:
Pros: Excellent adhesion, thick texture hides dings, UV-stable black finish, forgiving open time, and true 5 ft² per quart coverage.
Cons: Strong solvent odor demands outdoor ventilation, 24 h full cure means overnight downtime, roller marks show if you rush prep, and color choices stop at black.
Bottom Line: If you can sand, tape, and roll paint, you can roll on a bed liner that laughs off mulch, gravel, and salt. Herculiner still sets the DIY bar—just mask well, open the garage door, and save hundreds over Line-X.
3. Adam’s Polishes Rubber Mat & Liner Cleaner 16oz Protectant & Rubber Floor Mat Cleaning Solution for Car Detailing | Deep Cleans & Restores Mats, Truck Bed Cargo Liners, Trunk Mat Accessories & More
Overview:
Adam’s 16-oz Rubber Mat & Liner Cleaner is a purpose-built, citrus-powered degreaser that targets the one place most interior sprays ignore—your rubber floor mats, bed liners, and trunk trays. Spray, agitate, rinse, and the once-gray, oxidation-flecked rubber returns to an OEM-deep black without greasy gloss or slippery residue.
What Makes It Stand Out:
Unlike all-purpose cleaners that leave chalky films, Adam’s solvent-based formula carries a non-slip polymer protectant. The foam-activated chemistry lifts grit from the tiny valleys in textured rubber, while the built-in conditioners block UV rays that cause future fading. It’s proudly blended and bottled in the USA, and the company backs every sprayer with a no-questions 110 % satisfaction guarantee—virtually unheard of at this price tier.
Value for Money:
At $0.75 per fluid ounce, the bottle costs less than a single car-wash upsell for “mat scrub,” yet delivers 20–25 deep cleans for a set of crew-cab liners. When paired with a $7 tire brush, you achieve results that rival $40 professional detailing packages, so the ROI is immediate and measurable.
Strengths and Weaknesses:
Pros: Restores rich black finish in one pass; built-in non-slip coating; pleasant citrus scent; generous foam clings vertically; 110 % refund policy.
Cons: Solvent base can strip cheap dye from knock-off mats; aerosol-style trigger occasionally drips if stored horizontally; requires hose access for full rinse.
Bottom Line:
If you’re tired of scrubbing mats with dish soap that leaves blotches, Adam’s Rubber Mat & Liner Cleaner is an inexpensive, purpose-built upgrade that pays for itself after the first use.
4. Herculiner Aerosol Spray Truck Bed Liner, 15 Ounce Spray Can, Black, Textured, Suitable For All Truck Beds, 6-7 sq ft Coverage
Overview:
Herculiner’s 15-ounce aerosol is a pint-sized version of the popular roll-on bed-liner, letting you spot-repair scratches or seal cut-ins without committing to a gallon kit. The matte-black, rubber-infused polyurethane dries to a gritty, skid-resistant texture that bonds to paint, metal, fiberglass and most plastics, so one can travels from truck bed to rocker panels to plastic trim without primer.
What Makes It Stand Out:
True polyurethane formula at a spray-can price point; adjustable fan-tip nozzle lays a texture that mimics pro liners; 6-7 ft² coverage is perfectly sized for weekend patch jobs rather than leftover waste; zero-tool clean-up—just invert and clear the nozzle.
Value for Money:
At $11.99 you’re paying roughly $1.75 per square foot, cheaper than a roll-on quart once you factor in brush/roller cost and waste. For touch-ups it’s a bargain; for full beds you’d need a dozen cans, so stick to small areas.
Strengths and Weaknesses:
Pros: Fast 30-min dry-to-touch, excellent adhesion to bare metal, UV-stable color that won’t chalk after one season, handy for protecting trailer tongues and step bars.
Cons: Strong solvent odor—mask and gloves mandatory, thin coat means 3-4 passes for true thickness, nozzle can spit if can isn’t ≥70 °F, not fuel-resistant so avoid areas near filler necks.
Bottom Line:
Buy it for scratches, bed-rail caps, and trim revival; skip it if you’re coating an entire bed. For under-twelve bucks it’s the easiest insurance against rust you’ll find in a hardware aisle.
5. Raptor Black Urethane Spray-On Truck Bed Liner Kit, Protective Paint with Spray Gun, for Tailgates & Trucks, Vehicle Undercoating, 4 Litres
Overview:
Raptor’s Black Urethane Spray-On Truck Bed Liner Kit is a 4-litre, 2-component system that lets you roll or spray a professional-grade protective skin onto any truck bed, trailer, or boat deck in a single afternoon. The box ships with four 750 ml bottles of tintable base, one litre of hardener, and a dedicated spray gun—everything short of the compressor.
What Makes It Stand Out:
Unlike cheap single-stage rubberized coatings, this is a true 2K urethane: it chemically cross-links for fuel, UV, and impact resistance that rivals factory liners at a fraction of the price. The included gun is calibrated for the correct 50–60 PSI, eliminating guesswork, and the formula is tintable so you can color-match your rig.
Value for Money:
At $143.99 you’re covering 6–8 ft beds for roughly $1 per square foot—about one-sixth the cost of having Line-X applied. Factor in the reusable gun and the ability to touch-up later, and the kit pays for itself the first time you avoid a $400-600 shop bill.
Strengths and Weaknesses:
Strengths: Excellent adhesion to OEM paint; rapid re-coat window (1 hr); flexible finish quiets road noise; UV-stable black won’t chalk.
Weaknesses: Needs an 8 CFM compressor—small pancake units struggle; pot life is only 45 min, so mix only what you’ll spray; texture is entirely dependent on gun speed, so practice first.
Bottom Line:
If you already own a decent compressor and can follow mixing instructions, Raptor delivers shop-level armor at DIY price. Budget for a respirator and a spare sanding disc, then spray with confidence—this liner will outlast the truck’s paint.
6. Raptor Roll-On Bed Liner Kit, Truck Bed Liners, Long-Lasting Protection, Black, 1 Gallon
Overview:
Raptor’s Roll-On Bed Liner Kit delivers a 1-gallon, ready-to-use, textured black coating engineered to shield truck beds and countless other surfaces from the daily abuse of hauling, towing, and weather. Designed for DIYers who want spray-on-grade armor without renting compressors or guns, the kit rolls on with basic tools and covers a typical 6-ft bed in two tidy coats.
What Makes It Stand Out:
Unlike aerosol cans that run out fast, Raptor gives you a full gallon—enough for 65 sq ft of protection—while the built-in texture cures into an anti-skid surface that actually grips cargo. The formula is UV-stable, so the deep black stays black, and it sticks ferociously to metal, wood, fiberglass, and concrete without primer on most OEM paints.
Value for Money:
At $89.99 you’re paying roughly $1.38 per square foot for a coating that rivals $400+ professional liners. No gun, no reducer, no shop bill—just open, stir, and roll. When you factor in the rust prevention and resale value it preserves, the kit pays for itself the first time you slide a concrete block into the bed.
Strengths and Weaknesses:
Pros: forgiving roll-on application; excellent adhesion; UV- & chemical-resistant; anti-skid finish; generous coverage.
Cons: single-color option (black); texture is coarse—mask nearby paint; requires 24-hr cure before heavy use; solvent odor demands outdoor ventilation.
Bottom Line:
If you want pro-level bed protection without pro-level cost or equipment, Raptor’s roll-on kit is the smartest DIY upgrade you can make in an afternoon.
7. Meuvcol Truck Bed Liner Paint, 35 Floz Black Truck Bed Coating Kit For Truck Bed, Trailer, Rust Resistant Roll On Bed Liner Coating With Brush & Gloves,Easy Application & Long-Lasting Textured Paint
Overview:
Meuvcol’s 35 fl oz roll-on bed-liner kit is a budget-friendly way to armor-plate any metal surface that takes a daily beating. The water-based coating brushes or rolls on in a single afternoon, curing to a grippy, textured black skin that hides old scratches and stops new rust before it starts. Everything you need—premium brush and nitrile gloves—is in the box, so you’re ready to work the minute the package lands on your doorstep.
What Makes It Stand Out:
Unlike aerosol cans that run out fast and leave patchy coverage, this kit delivers a full quart of thick, high-build resin that levels beautifully and fills minor dings. The low-odor, water-cleanup formula means you can refurbish a trailer inside a garage without gassing the family or the dog. The cured finish is genuinely non-skid; a wet boot on a coated tailgate stays put, a safety bonus most DIY coatings only claim.
Value for Money:
At $0.86 per ounce—roughly one-third the price of big-name spray systems—you can blanket an entire 6.5 ft truck bed for under thirty bucks. Comparable roll-on bedliners start at twice the price and still require separate tools.
Strengths and Weaknesses:
Pros: generous volume, forgiving application, zero isocyanate fumes, excellent adhesion to bare or painted steel, hides surface rust, anti-slip texture.
Cons: single-stage color (no top-coat tint options), 48 hr full-cure window, not designed for extreme UV exposure on vertical panels without occasional touch-ups.
Bottom Line:
If you need tough, grippy protection on a weekend-warrior budget, Meuvcol is the smartest, simplest route. Roll it on Friday, haul on Monday—no spray rig, no regrets.
8. Rintek Truck Bed Liner Kit Urethane Spray-On with Spray Gun, 1 Gallon Black Protective Coating Mix, Shake/Shoot Formula for Truck Beds, Trailers, Bumpers and Metal Surfaces, Durable Textured Finish
Overview:
Rintek’s one-gallon urethane kit promises pro-level bed-liner results without renting a compressor or hunting for extra tools. Everything—high-solids coating, hardener, and an adjustable spray gun—ships in one box, so you can walk from the mailbox to the garage and start spraying the same afternoon.
What Makes It Stand Out:
The 3:1 “mix-shake-shoot” system removes guesswork; no scale or graduated cups needed. The included gun is pre-tuned for the coating’s viscosity, giving DIYers a fighting chance at the even, corduroy texture normally reserved for shop jobs. Adhesion promoters are already in the resin, so the formula bites straight onto bare metal, fiberglass, or scuffed aluminum without a dedicated primer step.
Value for Money:
At $115.88 you’re paying half of what a dealership charges for a drop-in liner and still saving $50–$70 over roll-on name brands once you factor in the free gun. One gallon covers a 6.5-ft bed with enough left for inside tailgate and rocker-panel touch-ups, pushing the cost below $1 per square foot of protected surface.
Strengths and Weaknesses:
Pros: true spray texture, rapid next-day re-coat, rugged UV-stable black finish, forgiving pot life (20 min), bonds to wood/plastic for crossover projects.
Cons: gun is plastic-bodied (plan on a single project lifespan), solvent smell is strong (outdoor mask/ventilation mandatory), color is matte only unless you buy separate tint base.
Bottom Line:
If you can fog-paint a lawn chair, you can armor your truck bed this weekend. Rintek bundles quality urethane, clear instructions, and the right applicator into one affordable box—making it the easiest path to a factory-textured, lifetime liner on a DIY budget.
9. Rust-Oleum 323529 Professional Grade Truck Bed Liner Kit
Overview:
Rust-Oleum 323529 Professional Grade Truck Bed Liner Kit is a do-it-yourself epoxy coating engineered to shield an 8-foot truck bed from the daily abuse of hauling gravel, lumber, tools, and everything in between. Packaged as a complete kit with two-part epoxy, roller, brush, and etching solution, it promises pro-level armor without the pro-level invoice.
What Makes It Stand Out:
The kit’s cross-linking epoxy chemistry cures into a dense, impact-absorbing membrane that outperforms single-part polyurethane roll-ons for abrasion and chemical resistance. A built-in textured aggregate creates an aggressive anti-skid surface the moment the coating levels, eliminating the extra broadcast step other products require. At 100 sq. ft. of real-world coverage, one box truly finishes a long-bed with enough left over for tailgate tops or trailer ramps.
Value for Money:
At roughly $1.29 per square foot, the kit costs 70 % less than a basic spray-in liner and still leaves you with a roller for touch-ups down the road. Factor in the included etching prep and texture, and you’re saving another $30–$40 in ancillary supplies.
Strengths and Weaknesses:
Pros: industrial-grade epoxy toughness, single-weekend application, no-slip finish out of the can, excellent rust encapsulation.
Cons: strong solvent odor demands outdoor ventilation; slow full cure (seven days) before heavy loads; color fades to charcoal under intense UV unless top-coated.
Bottom Line:
For owners who want spray-in durability on a roller budget, Rust-Oleum’s Professional Grade Kit is the smartest DIY defense you can buy—just mask well, wait the full cure, and your bed will shrug off abuse that used to mean expensive bodywork.
10. AUTODECO 39Pcs Car Cleaning Wash Kit Interior Detailing Cleaner Kit with High Power Handheld Vacuum, Brush Set, Windshield Tool, Duster, Towels, Tire Brush, Complete Car Care Tools, Blue
Overview:
AUTODECO’s 39-piece blue arsenal promises a one-stop solution for spotless cars, motorcycles, even kitchen counters. A 7,500 Pa handheld vacuum headlines the set, supported by towels, mitts, five detailing brushes, windshield wizard, tire scrubber, stone hook, and more—all packed in a carry bag.
What Makes It Stand Out:
Rarely does a budget bundle include a legitimate powered vacuum; here you get one with a 15-ft cord and five snap-on attachments. The 180° swivel windshield tool reaches pillar edges without yoga moves, while four included plastic hooks turn the trunk into instant storage. microfiber towels, gentle boar-hair brushes and a plush wash mitt round out a lineup that covers paint, leather, glass and rubber in one blue-themed box.
Value for Money:
At $36.99 you’d struggle to buy a decent cordless vacuum alone; this kit tosses in dozens of accessories that would cost twice as much if sourced separately. Occasional users get pro-level reach and softness without premium-brand pricing, making Saturday driveway sessions feel almost free.
Strengths and Weaknesses:
- Comprehensive 39-item set covers interior, exterior and even tire stones
- Strong 7,500 Pa suction plus generous 15-ft cord
- Soft, lint-free materials safe on clear-coat and infotainment screens
- Handy carry bag and bonus hooks keep gear organized
- Vacuum lacks HEPA filter and gets warm during extended use
- Thin towel weave; may need doubling for heavy polish removal
- No foam cannon for paintwork enthusiasts
Bottom Line:
For under forty bucks the AUTODECO kit delivers more tools than most owners will ever need, anchored by a surprisingly punchy vacuum. Accept its minor shortcuts and you’ll scrub, suction and shine your ride—and probably the garage—without buying another accessory this year.
Understanding the Anatomy of a Truck Bed Liner
Before you throw chemicals at the problem, know what you’re cleaning. Drop-in ABS plastic, spray-on polyurethane, and factory-baked polyurea all react differently to solvents and pH levels. Matching your kit’s chemistry to the liner type prevents chalking, gloss-kill, and the dreaded “fish-eye” craters that trap new grime.
Why Regular Cleaning Extends Liner Life
Grit acts like 60-grit sandpaper every time the payload shifts. Combine that with UV rays and road salt, and you’ve got a recipe for micro-cracks that bloom into full-blown corrosion under the liner. Routine cleaning removes these abrasive particles while re-introducing UV blockers and plasticizers that keep the surface flexible.
Key Components Every Cleaning Kit Should Include
Look for a true system: a dedicated degreaser, neutralizing wash, anti-static detail spray, and a protective top coat. Bonus points if the kit bundles lint-free microfiber pads, a stiff-but-safe scrub brush, and nitrile gloves—because diesel-infused knuckles ruin more weekends than rainy weather.
Chemical Safety: pH Balance vs. Harsh Solvents
Alkaline degreasers (pH 11–13) eat oil but can etch aluminum tie-downs. Acid-based wheel cleaners dissolve rust flecks yet bleach polyurea. Aim for pH-neutral or mildly alkaline formulas buffered with citrus terpenes; they attack petroleum without nuking the liner’s UV stabilizers.
Texture Matters: Spray-In vs. Drop-In vs. Bed-Mat Cleaning Nuance
Spray-in textures resemble truck-bed armor—tiny peaks and valleys that love to hide grit. Drop-ins have wide ribs that trap water under the liner. Bed-mats are basically gym flooring that absorb fertilizer salts. Each texture demands a different brush length and dwell time; ignore this and you’ll chase dirt in circles.
UV Protection: The Overlooked Step After Washing
Clean resin is vulnerable resin. UV absorbers (think benzotriazole derivatives) convert high-energy photons into harmless heat. A quality kit layers these into the final sealant so the liner doesn’t gray-out three weeks later. Skip this step and you’re essentially waxing sun-burnt skin.
Degreasing Power: Breaking Down Petroleum and Organic Stains
Motor oil, grass clippings, and chicken-wing grease all oxidize into a stubborn film. Surfactants like d-limonene emulsify non-polar crud, while oxygen-release bleaches tackle the organic pigments left behind. Two-step kits separate these jobs, preventing the “brown halo” that single bottles leave.
Foam Cannons vs. Trigger Sprayers: Application Methods Explained
Foam clings vertically for 4–5 minutes, letting chemicals do the work so you don’t scrub like a gym rat. Trigger sprayers drench fast but run off, wasting product. If your kit offers a foam-upgrade cartridge, grab it—especially for textured spray-ins where dwell time equals stain lift.
Brush Bristle Science: Stiff Enough to Scrub, Soft Enough to Protect
Nylon 6,6 bristles flare at 180 °F, so they won’t scratch even when you go full throttle. Polypropylene is cheaper but mushrooms out, leaving fuzzy streaks. Look for flagged (split-tip) bristles that sweep valleys without gouging peaks, and always pair with a rubberized backer to prevent knuckle rash.
Water Spotting and Mineral Deposit Control
Hard-water beads bake into chalky freckles that laugh at soap. A low-level phosphonic acid in the rinse aid sequesters calcium and magnesium so water sheets off. If your kit lacks this, budget for a standalone spot-free rinse or you’ll undo 30 minutes of elbow grease in the drying stage.
Eco-Friendly Formulas: Biodegradable vs. Petroleum-Based Surfactants
AES (alcohol ethoxylate) surfactants biodegrade in 28 days yet still cut crude oil. Petroleum sulfonates linger for months but cost pennies. If you wash on porous gravel or near storm drains, verify the kit’s OECD 301D test results—your local watershed will thank you, and so will your conscience.
Scent, Residue, and Sheen: The Subtle Details That Matter
Bubble-gum perfume screams “amateur detail.” Look for low-VOC citrus or unscented formulas that won’t stink up the cab. Likewise, silicone-heavy dressings leave a greasy film that turns into a dust magnet. A matte, non-tacky finish signals polymer bonding rather than surface slickness.
Storage & Dilution Ratios: Getting the Most Washes Per Bottle
Concentrated 1:4 degreaser refills slash cost per wash to under a dollar. Kits that include printed dilution charts and color-coded caps prevent the “glug-glug” guesswork that wastes 30 % of the product. Dark HDPE bottles also extend shelf life; UV-clear bottles turn your citrus solvent into brown water in six weeks.
Price vs. Performance: Budgeting for Long-Term Value
A $20 kit that needs four passes costs more than a $45 kit that finishes in one. Track ounces per wash, not sticker price. Factor in accessory quality too: cheap brushes shed bristles that you’ll pluck out with tweezers—ask anyone who’s done it at dusk before date night.
Pro Tips for Post-Clean Maintenance
Blast the bed with leaf-blower air to evaporate hidden water pockets. Follow with a water-based UV topper every third wash; it’s like SPF 50 for your liner. Finally, throw a rubber cargo mat over the finish when hauling gas-powered gear—vibration scuffs are the silent liner killer.
Frequently Asked Questions
1. Can I use household dish soap on my bed liner in a pinch?
Dish soap strips UV protectants and leaves a film that attracts dust. Use it only for emergency spill cleanup, then re-seal with a proper UV dressing.
2. How often should I deep-clean a work truck that hauls mulch daily?
Every two weeks during active season, monthly in winter. Increase frequency if you notice gray patches or embedded grit that won’t rinse out.
3. Will pressure-washer foam cannons void my spray-in liner warranty?
Most manufacturers allow up to 1,200 PSI at 45 °F tip angle. Stay below that and avoid 0-degree tips to keep your warranty intact.
4. Are citrus-based degreasers safe on aluminum bed strips and tie-downs?
Buffered citrus (pH 9–10) is safe for brief contact. Rinse within five minutes and dry to prevent white oxidation spots.
5. What’s the best way to remove fertilizer granules etched into the texture?
Hydrate the granules for five minutes, agitate with a medium-stiff nylon brush, then hit the area with an oxygen-release cleaner to neutralize the acids.
6. Do I need to reapply UV protectant after every wash?
No. A quality UV topper lasts 4–6 washes or about six weeks of daily sun exposure. Reapply when water no longer beads on the surface.
7. Can I mix leftover wheel-acid with my bed-liner cleaner for extra punch?
Never. Acid overpowers plasticizers, causing micro-cracking and chalking within days. Stick to chemistry designed for polymer substrates.
8. Is it normal for my liner to feel slightly tacky after applying protectant?
A quality protectant should cure to a dry, matte finish. Tackiness indicates silicone overload; remove with an alcohol-based prep spray and reapply sparingly.
9. How do I prevent water from pooling under my drop-in liner after cleaning?
Remove the liner quarterly, clean and dry the underlying steel, then reinstall with fresh seam tape over the drain holes to maintain airflow.
10. Are eco-friendly cleaners as effective on crude oil stains?
Modern plant-derived surfactants (AES, MEA cocoate) match petroleum cleaners on oil but may require a two-minute longer dwell time—an acceptable trade-off for environmental safety.