The FreshClaw tofu cat litter weighs half as much as the clay, but it is 4 times more water absorbent than the clay cat litter and 5 times more water absorbent than crystal cat litter. and if you're still using clay, Nnt only will you save 35% on your monthly Kitty litter bill, your cat's health will be better protected after replacing the tofu litter.
The most popular types of litter (clay and crystal) are absolutely awful for the environment.