SELF CLEANING LITTER BOX The Roll 'n Clean litter box has a patented sifting grate that sifts the waste from the clean litter depositing it in the convenient pull out tray NEW AND IMPROVED DESIGN The New Improved Roll 'n Clean litter box features stronger more durable plastic, new stronger locking clips, and a more durable sifting grate CLEANS IN SECONDS The Roll 'n Clean litter box cleans in seconds, simply roll it over onto it's top and roll back again and all of the waste will be in the pull out tray PROUDLY MADE IN CANADA using high quality materials NO LINERS, FILTERS OR ELECTRICITY NEEDED The Roll 'n Clean Litter Box does not use electricity so has no expensive motorized parts to replace, or catch fire. Can conveniently be placed anywhere in your home.