The Omega Paw Roll’n Clean Unique No Scoop Self-Cleaning Home Cat Litter Box is a self-cleaning litter box that never requires a scoop. The unique sifting grill technology scoops and removes clumped waste, depositing it into a removable pull-out tray. The integrated litter step catches leftover litter as your cat exits, so you don’t have to tidy up after every use. The durable and fun paw-shaped litter cleaning mat keeps your cat’s paws clean and free of litter.