Sleep Comfort 4-Inch Gel Memory Foam High Loft Topper with Waterproof Cover, Queen 100% Polyester Made in US 100-percent stain proof cotton terrycloth top Hypoallergenic and resistant to dust mites Fabric content: top surface: 80-percent cotton, 20-percent polyester; backing: 100-percent polyurethane; skirting: 76-percent polyester, 8-percent lycra, 16-percent nylon 10-Year limited warranty Leggett & Platt is one of the most widely recognized bed linen producers 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