The Casper Foam King Mattress is a brand new, in box mattress that retails in stores for $1399.00. This contemporary/modern mattress features a medium firmness level made of memory foam, ensuring a comfortable and supportive sleep experience for adults. With a high level of breathability and a white color, this rectangular King size mattress is perfect for any bedroom. The mattress is designed not to be washed, making it easy to care for and maintain its quality.