... artifical 2 material: High quality natural stone 3 color :more red color sand for waterproof Feature 1. feature: durable, waterproof, antiseptic ... , good for health, etc. 2. color: grey,yellow ,blue, green, red ,pink ,and so on 3. size(mesh):5-10 10 ... 4 .technic:natural or artifical 5.variety: natural colored sand,, dye colored sand , decorative colored sand 6.Packing: pp bags :50kg ...