- STRUCTURE FILLING: This single futon mattress features a premium inner layer composed of soybean protein fiber and polyester fiber cotton. Designed for durability, it offers excellent flexibility and resistance to deformation, ensuring a pressure-relieving and comfortable sleep. The ventilated knitted cotton fabric enhances air circulation, keeping you cool and comfortable throughout the night. - ERGONOMIC DESIGN: Crafted with ergonomic principles in mind, this Japanese floor bed contours to your body, providing optimal spinal support. It effectively alleviates pressure on the waist and back, promoting relaxation and improving overall sleep quality. - LIGHTWEIGHT & FLEXIBLE: The Japanese futon mattress is easily foldable for convenient storage and transport. Ideal for various settings, it can be laid on the ground in bedrooms, RVs, or tents, allowing you to create a cozy sleeping environment wherever you go. - MULTI-FUNCTIONAL USAGE: Suitable for a range of environments, this double floor mattress works well in bedrooms, living rooms, tatami areas, carpets, hotels, and tents. It serves multiple purposes, functioning as a mattress protector, spare sleeping mat, or guest bed, making it a practical addition to any home. With its thoughtful design and versatile applications, this futon mattress is the perfect solution for comfortable and restful sleep in any setting.