... Silica Gel Size: 0.5-2mm, 1-3mm, 2-5mm, 3-5mm, 4-6mm, 4-8mm, etc. Orange Silica Gel sachet Orange silica gel , is also called Self-indicating silica gel ... . The specification isas follows:1.Form: spherical or crystal(lump)2.Size: 0.5-2mm, 1-3mm, 2-5mm, 3-5mm, 4 ... -6mm, 4-8mm, etc.3.Packing: 25kgs/bag, 25kgs/drum, 150kgs/drum, 800kgs/bag Orange silica gel sachet: ...