... 2.Sand size: 0-0.5mm,0.5-1mm,1-2mm,1-3mm,3-5mm,5-8mm 3.Certified:ISO9001,2000 ... Size: 0.5-1mm;1-2mm;2-3mm;3-5mm,;5-8mm.2. Color:black,white,butterfly green,cherry ... flower red,crystal red,dark grey,dark red,light grey,pink,red,shrimp red,white granite,white,yellow,yellow sesame. ... feel free to contact us black sand --0-0.5mm Borrellostone warmly welcome to visit our website http://www.borrellostone ...