The iProtect Mattress Protector resists liquid and has a noiseless barrier back. Breathable, waterproof underside coating acts as a barrier to keep your mattress fresh from dust, dust mites and other allergens, as well as liquids and stains. The iProtect will maintain the same soft, smooth surface beneath your sheets for years to come. Stretchwall Skirt fits us to a 18" Mattress, as well as securely grips lower profiles. Ten year full replacement warranty on the Mattress Protector and Mattress when purchased together.