... stone A-enviorment-friendly B-finish:machine made C-size range:0.8~50cm D-interior&exterior ... stone products and natural river pebbles such as the displayed machine made pebble stone. Pebble stone is very suitable for the ... .2) Color: Black,White,Red,Yellow,Grey,Green,Mixed color3) packaging: 20kg in a plastic bag, and 50 plastic bags to ...