Contact: honeystar1208 at yahoo doc com doc cn Size: 1220 x 2440mm(4'x8') Thickness: 2.0mm to 6.0mm. Color: Dark brown or light brown Face and back: Face side smooth and back side rough Kind: Standard, waterproof hardboard, hardboard with glue Application: Used for packing or as back of photo frame Contact: honeystar1208 AT yahoo DOC com DOC cn