Pebble and cobble stone is used widely in constrution and landscape decoration. The pebble and cobble is processed in tumbling machines to give its smooth finish and specific size required.Dimensions: 3-5mm, 5-7mm, 8-14mm, 14-18mm, 18-22mm, 25-30mm, 40-60mm, 80-120mm, or as customer's require size.Color: white,black,red,pink,yellow,green,blue,mixed,etc.Finish:polished,water washed,naturalPacking ...