... In Totel one,cotton batting paper + waterproof film2)In bulk,wood part,in carton.metal part,cotton batting paper + waterproof ... lumber more difficult to do.1)The performance of the Wood is extremely stable, no matter all continual deformation, cracks, ... product: colour and lustre is bright beautiful beautiful, and has moisture-proof, anticorrosive, moth-proofing, rust, high temperature resistant, easy ...