... . Material of Stair, Staircase, Marble Stair, Granite Outdoor Stair : Marble/Granite, or Customized. Recommend Color for Stair, Staircase, Marble Stair, Granite Outdoor Stair:Shanxi Black, Multicolor ... , Bevelled Top, Radius Top... etc.. Style of Stair, Staircase, Marble Stair, Granite Outdoor Stair: Both piral stair & straight flight stairs are available. Package of ...