... factory Granite TreadsFeature:1. Marterial: Natural Granite or Marble.2. Process: Polished, Honed, Sandblasted, Flamed, acid pickling, Chiseled, Bush-Hammered, ... Shanxi Black, Multicolor Red, Bahamas Blue, China Impala, G603, G654, G635, G681, G562, G687, G623, Wave White, Batic ... Seawave Green, Butterfly Blue, Butterfly Green...etc., kinds of granite from India, China, Brazil....5. Styles: Both piral ...