Add comfort to your bed while protecting the mattress with the Therapedic Deluxe Memory Foam Mattress Topper. Designed with iCOOL technology that delivers breathability, its gel-infused memory foam layer adds support while keeping you cool. Luxurious and soft quilted memory foam cover. Pressure-relieving, gel-infused memory foam for supportive and cooling comfort. Odor control with stain release fabric technology. iCOOL technology system delivers ultimate breathability. Gripwell anti-skid bottom keeps topper in place. Twin mattress topper measures 53 " W x 79.5 " L. Twin XL mattress topper measures 38 " W x 79.5 " L. Full mattress topper measures 53 " W x 74.5 " L. Queen mattress topper measures 59 " W x 79.5 " L. King mattress topper measures 76 " W x 79.5 " L. California King topper measures 72 " W x 83.25 " L. 100% rayon. 100% polyurethane fill. Spot clean only. 3 " gusset. Lifetime manufacturer's warranty. Imported. Each Therapedic Deluxe Memory Foam Mattress Topper is sold separately.