black decorative roof stone 1.Material:slate 2.Sizes:20x40/30*30/25*50, etc. 3.Color:black,rust, ... green,etc 4.factory price black decorative roof stoneItem No: TY7002NAName:multicolor ... or according to your needsmaterial natural slatecorlor rusty,black,green,pink,gery,etc.usage outside roof decorationport ... FYI: Flat surface high quality black decorative roof stone