- STRUCTURE FILLING: This single futon mattress features a unique blend of soybean protein fiber and polyester fiber cotton in its inner layer. Designed for durability, flexibility, and deformation resistance, it offers a pressure-relieving and comfortable sleeping experience. The ventilated knitted cotton fabric enhances air circulation to keep you cool and comfortable throughout the night. - ERGONOMIC DESIGN: The Japanese floor bed is crafted with ergonomic principles in mind. It contours to your body's curves, providing excellent spinal support while alleviating pressure on your waist and back. This design promotes relaxation and significantly improves sleep quality. - LIGHTWEIGHT & FLEXIBLE: Our Japanese futon mattress is lightweight and easily foldable, making storage a breeze. It is ideal for various settings such as bedrooms, RVs, and tents, allowing you to create a cozy sleeping space wherever you go. - MULTI-FUNCTIONAL USE: This double floor mattress is versatile and suitable for a variety of environments, including bedrooms, living rooms, tatami rooms, carpets, hotels, and tents. It can serve multiple purposes: as a mattress protector, a spare sleeping mat, or a guest bed, ensuring practicality and adaptability for your needs. With its thoughtful design and quality materials, this futon mattress is an excellent choice for those seeking comfort and convenience in their sleeping arrangements.