This mattress topper provides the right amount of responsive support, offering pressure point relief and superior cooling comfort for both new and old mattresses. The mattress pad promotes a refreshing night's rest by infusing temperature-regulating cooling gel and distributing body weight evenly. It's an ideal and well-suited mattress topper for any bed. This mattress topper is not only functional but also environmentally friendly, made with CertiPUR-US certified foam in the USA. This vacuum-packed topper ensures easy delivery and effortless setup. Once opened, allow up to 72 hours for the foam mattress pad to fully expand, offering a plush surface for your bed. From the Manufacturer Amazon Basics