The Eight Sleep POD 5 Core King Size Hub + Cover is a luxurious and modern mattress pad designed for adults. Made of polyester with a cooling water fill, this rectangular-shaped pad is perfect for all seasons. The black color adds a touch of elegance to any bedroom, and the zip closure makes it easy to maintain. With a warranty of 2 years, this brand new and sealed product is a perfect choice for those looking for a comfortable and stylish addition to their bed.