Elevate your sleeping experience with this Sunbeam Twin Size Reversible 365 Electric Mattress Pad. It's designed to keep you cool during hot summer nights and warm in the winter. With its reversible feature, you can enjoy the cooling effect on one side and the heating effect on the other. This mattress pad is made of high-quality polyester material that ensures comfort while you sleep. The size of this mattress pad is 39x75, perfect for a twin-sized bed. It also features an electric control that you can adjust to your preferred temperature. This product is brand new and unused, ready to provide you with a good night's sleep.