Silica gel has large quantities of micro-pores in its inner structure and therefore easily absorbs humidity and odors. To better use this absorbent property, silica gelds made into cat sand wand has become a new-type ideal pet waste cleaner, with incomparable advantages compared with cat sand made of clay or other similar material. The production of silica gel cat sand has an innovative advance in the field. Mainly composed of silicon dioxide, this cat sand is innocuous, pollution-free, and is therefore a perfect green product for household use. Used sand can simply be buried, causing no harm at all. In the form of white grains, silica gel cat sand is light-weight, not easily breakable, and discouraging to germ growth.This new cat sand immediately became popular with consumers in many countries and has actually become the most popular cat sand on the international market. Mainly products & specification? Varieties Specification Large pore lump cat sands 1-8mm Large pore spherical cat sands 1-8mm Water-tolerant spherical cat sands 1-8mm Type b silica gel cat sands 1-8mm. All products above are well selling in the international markets. Also, we"ll undertake producing with the demands of the customers.