This Sealy Dreamlife 3” Foam + 1” Quilted Cover Twin XL Size Mattress Topper is designed to help you stay cozy all night (or all day) and wake up feeling refreshed. And it’s made by Sealy, a leader in quality sleep products for over 140 years. Advanced SealyComfort gel memory foam adapts and responds to every part of your body to provide pressure relief and a personalized sleep experience. Plus, a soft, stretchable SealyCool Poly Blend Cover with a DreamLoft Fiber Fill Pillowtop Cushion provides a layer of unmatched comfort. Sealy Dreamlife is dedicated to promoting a healthier sleep environment. CertiPUR-US ensures the mattress foam meets strict standards for content, emissions and durability, and Surface-Guard Technology kills bacteria on the surface of the mattress, protecting it from common allergens. This mattress topper was designed and built in the USA and includes a 1-year limited warranty, so you can rest easy with comfort you can count on.