Green Slate Roof -The manufacturer -Size:500x250mm,400x250mm -CA<0.4%, ... years. 1) Available Color: Blue/Black,Blue/Grey,Dark Grey,Green,Multicolor2) Dimensions: 600x300mm,500x300mm,500x250mm 400x250mm,400x200mm,300x200mm, or as ... per customer's drawing.3) Shape: Square,Rectangle,Round,Cut-edges,Semi-round,Pointed Tounge4) Thickness: 5-7mm,6-8mm ...