The FreshClaw natural 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 palnt-based litter.
The most popular types of litter (clay and crystal) are absolutely awful for the environment.