Sleep Comfort 4-Inch Gel Memory Foam High Loft Topper with Waterproof Cover, King 100% Polyester Made in US Orthopedic mattress protection and resist the growth of odour causing bacteria 5-Inch dog bed lifts your pet away from cold floor-level drafts (good for old and arthritic dogs) 100-Percent polyester washable (bath tub) mattress 100-Percent cotton cover zips off for easy washing Dimensions - Approximately 50-inch by 35-inch by 5-inch Gel infusion draws uncomfortable warm air away from your body Open nature of textured side provides improved air flow Offers moisture control preventing fluids from penetrating the surface of the mattress topper Reduces tossing and turning for a deep, healthy night's sleep Memory foam is resistant to dust mites and is naturally antimicrobial