Ergonomic design Tatami and futon style construction supports the natural curves of the body, helping to ease back pain and stiffness caused by sleep. By distributing body weight evenly and aligning the cervical spine, it promotes a comfortable sleeping position and supports spinal relaxation and correction. Foldable and portable mattress Foldable for easy carrying and storage, making it suitable for small apartments and limited spaces. When not in use, it can be rolled up compactly and stored in a closet or other storage area. The compact futon design is convenient for quick setup in various environments and for travel or temporary sleeping needs. Structure upgrade Traditional Japanese mattress design adapted for modern use, ideal for dormitory beds and camping surfaces to distribute body weight. Upgraded with a nonslip design to reduce movement and provide a stable, stress sleep. Care instructions Do not wash, iron, or dry clean this rollup mattress. Regularly vacuum to keep it clean. Because the product is compressed during packaging, it may take several days to to its normal thickness after unpacking. Use scenarios Dormitory or student housing: a compact, supportive sleeping solution that fits in limited space and helps maintain comfort during study and exams. Small apartment or studio living: folds and stores easily, freeing up floor space while providing ergonomic support when needed. Camping or outdoor trips: portable and lightweight enough for travel, offering stable support on uneven sleep surfaces.