... 3-5cm Chinese River Pebble,Pebble Stone,Natural Pebble1. material :Pebble stone/natural pebbles/river pebble/polished river stone/ ... you may send me your drawing or picture5.surface:Polished, natural, machine-made, tumbled, crushed. Ect6.shape:Round, oval, ... a good construction material for interior and exterior decoration b)Widely used for decoration ,such as landscaping, fountains, aquatic use ...