Alfapet: Extra Giant Sifting Cat Pan Liners, 11 Ct: * Easy and sturdy * Place edges of all 11 liners down over sides of pan to fill tray with clumping cat litter * Includes a large rubber band; place around the pan to hold all the liners in place * Remove the top liner from the rubber band and hold the liner over the tray * Good litters swiftly sifts through leaving only the clumps in the liner * Discard with other waste * Helps odor control