... through a multiple processing,work by cleaning,sensitized,silver coated,copper coated and two times waterproof ... optical,auto rear-view,etc.Description of large silver mirror sheet brand HAISEN Material:High quality ... glassProduct Method:Coated with silver and copper Thickness:2mm, 3mm, 4mm, 4.8mm,5mm,6mm,8mmColor:clear, dark ... join us~ 2MM,3MM,4MM,5MM,6MM Bronze Color Mirror /Bronze Silver Mirror