decoration of new wall of buildings pass SGS Test Composition,Aluminum skin thickness for faceside use 0.06 ---0.50mmcore,PEAluminum skin thickness backsid use 0.06mm ---0.50mm Specification,STANDARD SPECIFICATION:1220*2440*2MM/3MM/4MM/5MM/6MM1500MM*5800MM*2MM/3MM/4MM/5MM/6MMComposition:Other sizes, colors as per customer’s options can be accepted.(max width1570MM)A