Sell grey color natural pebbles stone Sell grey color natural pebbles stone,River pebbles,Pebbles, Polished Pebbles, Cobbles and Pebbles, Natural Pebbles, Mosaic Pebble, Garden ... , garden or other places; can add the natural element to the building4) Round and natural river stone and sea pebble5) Packing: 20kgs/ bag, 50kgs ...