... of the whole product can be more than 5 MM.4.completely closed : the rotational mould can be manufactured by ... like simple sketch or sample ,we will design the CAD and 3D drawing for you .4.All of our moulds are made of ... manufacuturer ,custom design available , new design mould , custom made the mold plastic fender board productLLDPE,LDPE, HDPE,MDPE, UV.8 resistant material for productsOEM ...