Silica gel is an amorphous form of SiO2 and it has a porous molecular structure that closely resembles a sponge, and thus has super capacity for moisture adsorption. They are a colloidal form of silica which is chemically and biologically inert. It is crystalline and colorfully bright in appearance and safe for domestic use.

Silica gel cat litter is a porous granular form of sodium silicate and has the highest absorbent of any cat  litter, and has excellent moisture and odor control.

1 bag cat litter of 3.8L bag packed silica gel cat  litter can adsorb liquid and odor for up to 30 days for one healthy cat of normal weight  and comes in two shapes: irregular lumps and small beads.

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