aluminium sheet mirror Back Color: Gray, Green,Bronze Siz(mm):1830x1220,1830x2440,1650x2200,3050X2134,3300X2134 or as request Aluminum and copper film with two layers of waterproof paint on the backBack Color: Gray, Green Thickness: 2mm, 3mm, 4mm, 5mm, 6mmSize(mm): 500x700(1.8mm),600x900(1.8mm),1830x1220,1830x2440,1650x2200 or as request. aluminium sheet mirror