What this is: A solid pine wood folding floor board designed to support mattresses and improve ventilation on tatami or hard floors. Key benefits Prevents damp and mold: The board creates a breathable, moistureresistant layer between mattress and floor, reducing longterm damp accumulation and mold risk. Strong, reliable support: Constructed from solid pine wood boards with a maximum weight capacity of 1000 kg (2200 lbs), suitable for single beds, guest beds, or heavier loads. Ready to use and easy to store: No assembly required. Unfold and place on the floor, then roll up and store with the attached nylon belt when not in use. Main features Material: Solid pine wood boards for durability and stable performance. Pine board thickness: 1.5 cm (0.59') per board. Overall thickness when unfolded: 3 cm (1.18'). Net weight: 18.5 kg (40 lbs). Maximum weight limit: 1000 kg (2200 lbs). Connection and storage: Nylon belt connection for secure folding and compact storage. Installation: No installation required — simply unfold and use. Practical use scenarios On a tatami room: Place under a mattress or futon to improve airflow and prevent moisture buildup on traditional tatami flooring. On hard floors: Use as a breathable base under a mattress to increase ventilation and provide sturdy support. Guest or temporary beds: Quickly unfold to create a stable sleeping surface, then roll up and store with the nylon belt when guests leave. Why choose this board Simple, dependable solution for moisture control and mattress support without tools or installation. Built from solid pine for longterm durability while remaining portable at 18.5 kg (40 lbs). Designed for floor use and compatible with tatami and standard hard floors.