... , Green, Grey, Purple, Red, Yellow, Mixed-color, etc.Size and designAs your requirement, then you can send to us the ... drawing or the picture.Surface TreatmentNatural;Machine-made (tumbled, polished, waved, etc.)AppearanceRound, Oval, Flat…Main MarketRussia ... , we have two kinds of cobbles, natural pebbles and machine-made pebbles, and we hope you would like it. More Information1. ...