this bench chair is made of compact laminate, thickness can be 12mm or 18mm. it is water-proof, fire-proof, moisture-proof. Details for this bench chairThickness: from 4mm to 25mmSize (mm):1220*1830mm, 1350*1830mm, 1220*2440mm, 1525*1830mm, 1830*1830mm, 1830*2440mm.1220*3050mm, 1220*3660mm, 1525*3050mm, 1525*3660mm, 1830*3660mmDetection data of Compact laminate:Compressive strength: 280MPa as per ...