... 0.2%Bulk density1.85g/cm3 For paving stone:1Typecobble & pebble (river stone)2Material100% natural stone3Usagelandscaping, paving, building, home ... 3cm, 3~5cm, 5~8cm, 8~12cm6Color Availableblack, yellow, red, green, gray, white, mixed7Processwash, wax8Featuregood quality, low price9Package25kg woven ... goods before the shipment7.Manufacturer in this line for 18 years Beautiful color pebble as paving ...