OSB is using for packing, it is very durable Size: 1220*2440*9-30MM,1250*2500*9-30MM Glue: MR, Melamine, WBP OSB Board (Oriented Strand Board) Product Name: OSB Size: 1220mm * 2440mm (Other sizes are available upon your request and quantity) Thickness: 9mm to 25mm Glue: WBP (melamine / phenol glue) or MR Density: 650kg/cbm to 700kg/cbm Raw Material: Poplar or combined hard wood Packing Details: Standard exporting packing to be on pallets or loosed packing a. 40' container: totally 16pallets 40cbm b. 20' container: totally 8pallets 20cbm