... size:2-3cm,3-5cm,5-8cm 3)Usage: paving Black & White pebble stone! 1TypeCobble&Pebble(river stone)2MaterialNatural pebble stone3UsagePaving, landscaping ... size1-2,2-3,3-5,5-8cm5Available colorBlack, white, yellow, white, mixed,green,striped(tiger)6Manufacturing Processwash,polish,wax7FeatureBest quality ... feedback,please feel free to contact us for detailed information. black & white pebble stone