natural river yellow stone stair 1.granite Tile, Slab, Countertop, Stair, Step, Riser 2. color and size as per client's ... , Granite stairs, Granite riser, Chinese granite stepstone, marble step, marble stair, marble riser, stone step 1)Step size: 110-150x33x3cm 2 ... . 6)Suitable for indoor and outdoor. natural river yellow stone stair