Petmate Liner Hi-Back Drawstring, disposable plastic liners, make cleanup a snap. Liners help keep cat litter pans clean and neutralize odors. Drawstring holds securely on pan. Draws tight for easy, clean disposal. Spread liner over litter pan so that it overhangs rim on all sides. Press center of liner down to bottom of pan, and smooth outward. Fill the pan and liner with litter according to package directions. Sift out solid waste daily. To remove litter simply lift the liner from all sides, gather above pan and tie.