1. Skinfriendly floor mattress: The 4 cm thick mattress relieves most sleeprelated lower back pain and back stiffness. Made of cotton fabric with polyester fiber filling, it is soft and breathable, ensuring a worry night's sleep. 2. Ergonomic design: Adapts to the natural curvature of the human body and corrects cervical spine alignment—this tatami mattress significantly improves sleep quality and alleviates most back pain caused by stiffness. 3. Foldable mattress: Soft, comfortable, and easy to fold, this floor tatami is for small apartments and tight spaces. Ideal for both indoor and outdoor use, it's a choice for guest rooms, hospitals, offices, and student dormitories. 4. Versatile usage: Can serve as a bedroom futon, living room futon, tatami mat, floor mat, sleeping mat, tent mat, guest room mattress, or Japanesestyle mattress. It also works as a children's play mat or floor cushion bed and is portable for camping and travel.