... silver and copper film with two layers of waterproof protective paint on the back. The image from mirror is true, clear ... . It is anti-humidity and highly durable.Features1) Double coated paint, the paint resists acid and moisture, environment friendly.2) High optical ... , bronze, grey, green, blue, pink etc. 2) Back paint Color: grey, green, red, milk white.3) Thickness: 2mm, 3mm, 4mm, ...