this bench chair is made of compact laminate, thickness can be 12mm or ... is water-proof, fire-proof, moisture-proof. Details for this bench chairThickness: from 4mm to 25mmSize (mm):1220*1830mm, 1350*1830mm ... -5-1,Vertical 2.55 X 10-5-1,Moisture (3, 24h): 0.81% as ASTM D-570-98Tensile strength: H ...