various indoor granite step stone step, stair step granite stair, granite step, any color granite step, marble step CE ISO various indoor granite stepstone step, stair step, granite stair, granite step,any color granite step, marble step 1.Product name ... .More info. about the stone stairs1.MaterialGranite , Marble , Basalt2.Color:Grey , Black , Brown , Blue , Green , Red ,Pink, Yellow , White etc3. ...