1. Versatile WidthErgonomic design conforms to the human body structure and corrects the shape of the cervical spine. Can be used as a bedroom futon/living room futon/mat/floor mat/sleeping floor mat/tent mat/guest mattress/Japanese floor mattress. It can also serve as a play mat/floor cushion bed. Simply enjoy your leisure time with the Japanese floor mattress. 2. CraftsmanshipThe thickness of the futon mattress is comfortably sufficient. The upper and lower layers are polyester filling, while the middle layer is made of quality memory foam. The intermediate layer is designed to prevent the futon mattress from collapsing easily. Memory foam provides better support when lying on the mattress. 3. The mattress is available in various sizes: Fits well with different mattress sizes, such as twin, double, king, single, and super king mattresses—90 x 190 cm, 90 x 200 cm, 120 x 200 cm, 150 x 190 cm, 150 x 200 cm, 180 x 200 cm, 200 x 220 cm. 4. Quilting: The floor futon mattress features quilted craftsmanship, with filling made of density base foam and polyester, delivering consistent comfort.