MISSY IS MESSY. GET HER A CLUMPING LITTER THAT WORKS! CLUMPING FORMULA Get the clumping litter with outstanding odor control and a tight clumping ability. Not only is it easy to scoop, but it?s also flushable and septic safe ? so the dirty litter isn?t filling your trash. Stop worrying about a messy litter box. Start giving your cat the best.