corncob cat litter is made of natural corncob through special processing technology. It' s pure natural kitty litter, without any additive, chemicals, no dust, no smell, no harm to the pet even eaten, no problem of dust allergy. Highly absorbent, biodegradable and recyclable, can be flushed into toilet directly. Also, it’ s little weight and less dosage than the traditional litter, a kind of environment friendly, convenient and economic cat litter.