Cotton fabric cover: The outer cover is made from cotton fabric and finished with a water washing process for a warm, delicate feel. It is breathable and naturally wrinkled, providing a gentle touch. Cotton core mattress: Fully filled with a cotton core that is soft and fluffy to support the body, delivering a comfortable and warm experience. The fine quilting fixes the inner core in place, preventing clumping or loose cotton and keeping the surface smooth. Ergonomic design for floor use: Ergonomically designed to offer comfortable, soft support that helps stabilize the spine when lying on the floor, promoting relaxation and decompression. Multifunctional and portable: The Japanese futon mattress can be folded or rolled up for space saving during the day, travel, or storage. It can be used as a futon, pillow, floor mat, or tatami mat, making it suitable for a bedroom, living room, guest room, travel tent floor mat, or student dormitory floor mat. Use scenarios: Home floor sleeping: Place on the floor in a bedroom or living room for a comfortable, supportive sleeping surface. Guest or dorm room setup: Quick to deploy and easy to store, ideal for temporary sleeping arrangements. Travel or camping: Fold or roll for compact transport and use as a lightweight floor mat or tent flooring.