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—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.