The Thermal Self Heating Mattress Topper by Home Republic provides luxurious warmth and comfort for a restful night's sleep. Using advanced thermal technology, it generates gentle, body-heat powered warmth without the need for electricity, ensuring a cozy, warm bed all night long. Ideal for colder months or those who crave extra warmth, this topper offers a plush, soft surface while promoting better circulation and relaxation. Enjoy a natural, energy-efficient way to stay warm throughout the night. - Home Republic Thermal Self Heating Mattress Topper in White - Size: Super King