Everything you need for worry free zzz's: The Sleepy's Signature Total Defense Mattress Protector is a waterproof five sided protector that safeguards your mattress from stains and allergens with the Antimicrobial Silvadur treatment to help fight bacteria for a fresh comfortable sleep every night. Its soft bamboo rayon fiber wicks moisture and features an extra wide elastic band with SecureFit so your mattress protector stays in place even if you move around in your sleep. King - 76"x 80"x 15"(Fits Mattresses up to 17.5"deep) Never used...I opened it to check that is was in excellent condition!