Kit Kat Classic Charcoal Sand (Unscented) 10 litres Cat litter box sand features active clumping technology to effectively absorb liquids and odors. This sand is made from traditional clay or bentonite grains, but with a special blend of activated charcoal. Active clumping technology provides the ability to clump liquids quickly, making litter box cleaning easy and convenient. Activated charcoal also helps effectively absorb unpleasant odors, contributing to keeping the litter box environment clean and fresh for your cat.