Ergonomic design follows the curves of the body to support restful sleep and may relieve most lower back pain caused by back stiffness. The tatami mattress is designed to enhance comfort during use. Durable construction and comfort: two layers of polyester filling combined with a density bottom support foam help the futon mattress maintain its shape and provide adequate support while relaxing. Easy to store: folds or rolls up for compact storage in a closet, making it a spacesaving option for households with limited storage. Multifunctional and versatile: can be used as a sleeping mat in the bedroom, a tatami mat in the living room, or a yoga mat; provides a comfortable rest surface wherever you go. Use scenarios: At home: use as a primary sleep surface to improve sleep quality and support back comfort. Living room or guest area: serve as a tatamistyle seating surface for casual lounging or hosting guests. On the go: use as a portable yoga mat or exercise mat, or roll it up for easy transport and storage. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.