Silver Mirror is made of high quality float glass. Float glass is made into mirrors in a process that deposits a thin film of high purity silver on one surface of the glass. This is then protected with a heat-setting paint. It has the reflection rate of 92%. Quality standard: Europe EN1036-1999;Chinese Standard JC/T871-2000 Max.:3660mm X 2440mm Min.:1830mm X 1220mm Thickness:2mm-8mm