Brand new in package 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 bed bugs, stains and allergens—and Antimicrobial Silvadur™ treatment helps fight bacteria for 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. Waterproof barrier 5-Sided protection, designed to completely encase the mattress Extra-soft handfeel The natural bamboo fibers used to create the bamboo-rayon fabric used in this protector naturally help wick away moisture, creating a sleep surface that feels cool for hot sleepers Antimicrobial Silvadur treatment helps fight bacteria 1.5" Extra wide elastic with SecureFit™ to ensure protector stays on mattress Machine washable King - 78"x 80"x 15.5"(Fits Mattresses up to 17.5"deep)