size :0.5-1.2 1-2 2-3 3-5 5-8cm color:all colours package:plastic bag ,ton ... .Polished and tumbled shape.2.Different colors and dimensions available.3.Widely applied as ideal decoration materials of aquariums, gardens, pools ... series (black, white, red, yellow, mixed) 2. Colorful sandstone series. 3. Rain flower stone (black, white, red, yellow, mixed and striped).