Pet N Pet 34 in. x 18 in. X-Large Extra Heavy-Duty Cat Pan Litter Box Liners (21-Liners/Box) CATLINERS21PNP - The Home Depot
Amazon.com: Alfapet Flat Bottom Cat Litter Box Liners, Pack of 20 - Super Heavy Duty Kitty Litter Bags with Drawstring for Poop and Liquid Waste - Jumbo Design for Extra Large Cat
Amazon.com: Alfapet cat Litter Box Liners Extra Large-1 Box- Heavy Duty 2 mil Thick Plastic, Clever Drawstring Liner for Easy Disposal- Flat Bottom for Easy, Secure Placement in Kitty Pan-Disposable : Pet