
Five-Sided Organic Cotton
Sleep & Beyond Organic Cotton Waterproof Mattress Protector
Best for: Families, pet owners, and shoppers who want waterproof protection with an organic-cotton sleep surface
Check current Sleep & Beyond price
Luxury
Check price at Sleep & Beyond Affiliate link — we may earn a commission at no extra cost to you.
Key Features
- •Five-sided waterproof construction protects the sleeping surface and all four sides
- •Two layers of GOTS-certified organic cotton jersey with a bio-based TPU waterproof membrane
- •Fits mattresses up to 18 inches and is machine washable
- •Covered by a 10-year manufacturer warranty
Pros & Cons
Pros
- +Waterproof protection extends across the top and side panels
- +Designed to stay breathable and quiet without a plastic-crinkle feel
- +Available from Crib through King and California King, including split configurations
Cons
- -Costs more than basic waterproof protectors; compare the current Queen offer
- -High heat and ironing can damage the waterproof membrane
- -A Split King setup requires two Twin XL protectors
Other Mattress Protectors

Puffy Waterproof Pick
Puffy Signature Mattress Protector
Waterproof Bamboo-Rayon Mattress Protector
$128 — Puffy Signature Mattress Protector — Queen · Last verified Oct 27, 2026, 2:56 PM UTC

Breathable Waterproof Pick
Amerisleep Bamboo Mattress Protector
Five-Sided Waterproof Mattress Protector
$90 — Amerisleep Bamboo Mattress Protector — Queen · Last verified Oct 27, 2026, 2:56 PM UTC

Natural-Fiber Protector
Amerisleep Organica WoolGuard Mattress Protector
Waterproof Wool Mattress Protector
$169–$338 — Organica WoolGuard Protector — starting price · Last verified Oct 27, 2026, 2:56 PM UTC
Affiliate link — we may earn a commission at no extra cost to you.