1. aluminum alloy 2.Usage: Outdoor 3.Standard size: 1220*2440mm 4. 33 standard colors ,etc ... 5. easy to instal, Customized Standard Dimension1220mm*2440mm*3mm1220mm*2440mm*4mm ... 0.30,0.35,0.40,0.45,0.50PVDF 4mm 0.3,0.35,0.40,0.45,0.50 ... strength(c) Super weather resistance(d) Excellent impact resistance decorative aluminum composite panel