The Catit Cat Pan Litter Mat is for use with all Catit Litter Pans. It works to protect floors and carpet from litter spills. The mat helps to reduce the tracking of litter from inside the litter box throughout your house. Simply place the Catit Cat Pan Litter Mat outside of your Catit Litter Pan and litter will get trapped on it as your cat enters and exits. The mat is durable and easy to clean.