75% under what the other stores charge
Compared across 6 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Helix Mattress Protector is a waterproof mattress cover with a soft polyester terry top and a food-grade polyurethane backing. It is designed to be noiseless and breathable, with anti-microbial and hypoallergenic properties, and it fits mattresses up to 16 inches deep via a 15-inch skirt. It comes in Twin, Twin XL, Full, Queen, King, Cal King and Split King. The best new price is $37.99 at Amazon as of November 7, 2026, and 6 stores carry it new.
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Lowest price we've seen: $37.99 on Nov 7 at Amazon. Tracked across 5 stores since Nov 7.
Rated 4.5 out of 5 from 2,602 ratings, buyers generally find the protector soft, quiet and effective at blocking spills. Complaints center on fit and the thin feel of the fabric.
The Helix Mattress Protector is soft, stretchy, noiseless, and waterproof to keep you comfortable and to keep liquids away from your mattress. Shop the Helix Mattress Protector.
