Protect your mattress with the Personal Profile Purify Mattress Protector, which offers a ten year warranty protection against stains and dust mites. The Breathe-a-Barrier fabric is waterproof yet breathable, keeping moisture from penetrating the protector. Although the breathable polyurethane membrane is waterproof, it is not noisy or hot to sleep on like plastic. Breathe-a-Barrier prevents allergens from building up in the mattress by stopping dust mites and their waste from reaching the mattress. Only 1/8 inch thick, the Purify Mattress Protector won’t detract from the comfort and feel of your mattress.