Petmate® Hi-Back Litter Pan Liners make controlling odors and keeping your house fresher easy. These disposable plastic liners help keep cat litter pans clean and neutralize odors. Ideal for hi-back litter pans. The unique drawstring holds securely on the pan. Draws tight for easy, clean disposal. Simply spread liner over the litter pan so that it overhangs rim on all sides. Press center of liner down to the bottom of the pan, and smooth outward. Fill the pan and liner with litter according to package directions. Prevents clumps from sticking to the bottom of the pan.