Stay cool! The Serta® ocean breeze mattress pad keeps you cool and dry. It's made of an ultra soft sustainable Tencel™ fabric, produced using environmentally responsible processes. The power of peppermint delivers life natural® antimicrobial product protection against odor causing bacteria. Feel good about the Suprelle™ blue breathe fiber fill, because it's both moisture wicking and part of an ocean bound plastic prevention initiative. Complete with the patented Simplefit® four corner grip design, with extra wide elastic for a secure fit. Life happens, so we made it machine washable for worry-free care.