... with BSEN 12326 and BS680 Top quality Slate Bowl,Slate Roof,Flooring,Roofing Slate,Slate Tile,Flooring slate Optional color: Black, green, gray and rusty ... yellow slate Finishing: Size: 900*600, 600*600mm, 400*400mm ... available Per client design With BSEN 12326 and BS680 Certificate. Slate Bowl