Best Mattress Protectors 2026: Waterproof & Cooling Picks
The AmazonBasics Hypoallergenic Waterproof Mattress Protector is our top pick for Mattress Protectors 2026: Waterproof & Cooling Picks. Most affordable. For budget shoppers, the Waterproof Crib Mattress Protector Quilted Cotton 52x28 in offers solid value at a lower price.
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AmazonBasics Hypoallergenic Waterproof Mattress Protector
“Amazon Basics waterproof protector — adequate protection at the lowest price for everyday use.”
See Today’s Price →What we like
- Most affordable
- Waterproof
- Hypoallergenic
- Fits most mattresses
Watch out for
- More basic material than SafeRest
- Some noise compared to premium options
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The AmazonBasics Hypoallergenic Waterproof Mattress Protector is the practical default for most households: it installs like a fitted sheet (no zipper, no complex installation), protects against liquid spills with a waterproof membrane, and washes in the regular laundry cycle like any other bedding. The hypoallergenic treatment creates a barrier against dust mites, pet dander, and allergens that accumulate in mattresses over time. The waterproof membrane is breathable rather than the crinkly plastic feel of older mattress protectors — you can feel it if you press down hard, but during normal sleep it's essentially undetectable under a regular sheet. Spills bead up on the surface rather than soaking through to the mattress core, and cleanup requires only removing the protector and running it through the washing machine. At $19.99, this is an investment that pays for itself the first time a spill, sweat saturation, or pet accident would have required expensive mattress cleaning or replacement. Mattresses cost $200-$1,000+; a $20 protector is the most cost-effective insurance available. Machine wash warm, tumble dry low — no special handling required. The elastic deep pocket fits mattresses up to 18 inches deep.
LINENSPA Zippered Mattress Encasement Waterproof
“Best choice for allergy sufferers — the full zippered encasement seals the mattress on all 6 sides, completely blocking dust mites and allergens.”
See Today’s Price →What we like
- Full zippered encasement covers all 6 sides
- Blocks dust mites completely
- Waterproof
- Ideal for allergy sufferers
Watch out for
- More difficult to install than top-only protectors
- Zipper can snag sheets if not tucked
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The LINENSPA Zippered Mattress Encasement takes protection further than a standard fitted-sheet protector by sealing all six sides of the mattress in a continuous waterproof cover. The zipper closure runs along three sides of the mattress and locks shut, creating a complete barrier that prevents anything from reaching the mattress core and prevents anything inside (dust mites, bed bug eggs) from escaping. For households managing diagnosed dust mite allergies, the AAFA (Asthma and Allergy Foundation of America) recommends encasements over fitted protectors specifically because fitted protectors leave the sides and bottom of the mattress exposed as allergen accumulation zones. An encasement eliminates all exposed mattress surface. The practical installation consideration: encasements are more work to put on and take off than fitted-sheet protectors. You're unzipping three sides, removing the entire cover, washing it (bulky in the machine), drying it, and re-installing. For households that wash bedding weekly, this is a meaningful inconvenience. For the specific use cases that warrant an encasement — allergen management, moving into housing with unknown bed bug history, protecting a high-value mattress long-term — the $29.99 LINENSPA is the correct tool for the job.
Waterproof Crib Mattress Protector Quilted Cotton 52x28 in
“A quilted waterproof crib mattress protector that adds a soft layer above the plastic waterproof backing — more comfortable for baby than a flat waterproof pad alone. Machine washable through the enti”
See Today’s Price →Mattress Protectors Buying Guide
Photo by Max Vakhtbovych / PexelsBest Mattress Protector: SafeRest Premium Waterproof Mattress Protector
The SafeRest Premium Waterproof Mattress Protector at $35-55 depending on size is the mattress protector that sleep experts and mattress retailers most commonly recommend — the cotton terry top feels like a normal fitted sheet rather than the crinkly plastic sound of cheap vinyl-backed protectors, the TPU waterproof membrane blocks liquids completely without heat trapping, and the 360-degree fitted skirt accommodates mattresses up to 18 inches deep. The machine-washable design handles weekly washing without degrading the waterproofing. For the $500-2,000 mattress investment beneath it, a $45 protector that preserves the mattress warranty (most warranties are voided by stains) is the single best value protection purchase in a bedroom.
Waterproof vs. Water-Resistant vs. Breathable
Waterproof (TPU-backed): Liquid-proof — no moisture penetrates to the mattress regardless of volume. The correct choice for: children's beds, anyone with incontinence concerns, pet owners, anyone with allergies (prevents dust mites, mold, and allergen accumulation in the mattress). The waterproof backing does add some warmth — quality TPU (thermoplastic polyurethane) backing is significantly more breathable than vinyl.
Water-resistant (treated fabric, no backing): Slows liquid penetration but won't stop a full spill. Appropriate for adults who primarily want a hygienic barrier rather than full waterproof protection. More breathable than waterproof but insufficient for children or pets.
Cooling mattress protectors (bamboo, phase-change material): Designed primarily for heat regulation — some people find mattress protectors add warmth to an already-warm sleep surface. Cooling versions use moisture-wicking fabric to improve heat dissipation. Compromise on waterproofing for improved breathability.
Encasement vs. Fitted Cover
Fitted cover (SafeRest, Linenspa): Covers the top and sides of the mattress like a fitted sheet. Adequate for liquid and allergen protection on the sleeping surface. Exposes the bottom and sides (below the skirt) to allergens — relevant for very severe allergies.
Encasement (AllerEase, National Allergy): Covers and zips around the entire mattress. The gold standard for dust mite allergy protection — dust mites cannot access the mattress or escape from an existing infestation. Required for clinical-grade allergen control. More difficult to put on and take off for regular washing.
The Bottom Line
SafeRest Premium Queen Waterproof for the best all-around mattress protector at $45. AllerEase Maximum Allergy Mattress Encasement for severe dust mite allergies at $55. Purple Mattress Protector for a cooling option compatible with Purple Grid mattresses at $89. Lucid Bamboo Mattress Protector for a bamboo-top breathable option at $35. Wash the mattress protector every 1-2 months — the protector absorbs sweat, dead skin cells, and allergens that would otherwise accumulate in the mattress itself.
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Frequently Asked Questions
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