Silica gel is a kind of tranparent or translucent desiccant, which looks like glass-like bead or lump. It is mainly used for drying and moisture-proof, also as catalyst carriers, adsorbents, separators and variable-pressure adsorbents etc. Average particle sizes cover regular and irregular granular 0.5-2.0 mm 1.0-3.0 mm 2.0-4.0 mm 2.0-5.0 mm 0.2-1.0 mm Package: 20kg, 25kg 500kg and 800kg per bag Note: the moisture level, packing and size may be customized as per your specific requirements.