... granite products and pebbles, for the pebbles, we have many types, ,including Black,Pink,Grey,Green, Yellow,white and Red ,blue, natural ... types, and machine made types. Natural river pebble,black pebble is very popular in Aisa,Euprope ... ,5-8,6-9,8-12,and so son2,color, black, red, white,pink,yellow,green,grey,multicolor, 3,bigger size ...