General search term.
Might be referring to: non-clumping conventional litter Clay litter is much more absorbent than sand and is manufactured into large grains or clumps of clay, making it less likely to be tracked from the litter box. The brand name Kitty Litter has become a genericized trademark, used by many to denote any type of cat litter..
This is a seasonal trend that repeats every October.
This trend is forecasted to be growing in the next 2 years.