... 1.Sand materila:natural stone 2.Sand size: 0-0.5mm,0.5-1mm,1-2mm,1-3mm,3-5mm,5-8mm ... 3.Certified:ISO9001,2000 1)Sand Color: all colors, white ,black, green , yellow ,pink,red etc.2 ... )Sand Size range: 0-0.5mm,0.5-1mm,1-2mm,1-3mm,3-5mm,5-8mm ... in 50KG Woven Bag. white sand--3-5mm white sand--2-3mm white sand --1-2mmBorrellostone warmly welcome to visit our website ...