... -5cm,5-8cm,8-12cm,etc *CE Certs+Quality Assurance decorative pebbles:Starstone could offer all kinds and design of pebble ... .Usage Flooring,Garden Paving,Side Walk, Interior & Exterior Decoration ,Building Materials Style River pebble,Nature Pebble,Machine Pebble ,etc.surfacePolished ,Natural ... .CN1000260969.Following are some photos of our stone products: Natural decorative pebbles