1) aluminum mirror sheet is produced through vacuum coating, i.E. Let the melt aluminum splash on the clean float glass surface in the vacuum chamber, and then Coated with two layers of protective paint. 2) quality aluminium mirror sheet is usually coated by two layers of paints. 3) aluminized mirror with thickness from 2mm to 6mm, 4) max. Mirror sheet size of 1830x2440mm ( 72" x 96" ). 5) all our aluminum mirror is copper free mirror, eco-friendly mirror, no harm to environment Packing: seaworthy wooden crate and with paper interleaved between mirror sheet