Beautyrest 3-inch Gel Memory Foam Mattress Topper amp; Waterproof Cover - Queen - Deluxe Mattress Pad For Luxury Bedding. Dive Into Pristine Support And Comfort On Your Bed. 3 Year Limited Manufacturer Warranty - Comfort Level Medium - Includes Waterproof Cover Memory foam is resistant to dust mites and is naturally antimicrobial & Hypoallergenic. Draws uncomfortable warm air away from your body Open nature of textured side provides improved air flow Polyester knit fabric cover features an air-permeable backing that serves as a moisture barrier. Offers moisture control preventing fluids from penetrating the surface of the mattress topper.