Made of solid pine wood boards, strong and durable.The thickness of the pine board：1.5cm (0.59"). Net weight: 20.5 kg (45 lbs). For use on the floor, Maximum weight limit: 1000kg (2200 lbs). After being unfolded, the total thickness: 3 cm(1.18"), breathable and moisture-proof，On the tatami or the floor, effectively prevent the mattress after a long time of use damp mold. Nylon belt connection, convenient folding storage. No installation required. Just unfold and use it after receiving! Just…