Alfapet Kitty Cat Extra-giant Elastic Sta-put Litter Box Liners 10 Per Box (3... 3 Pack/boxes Comes with 10 liners in each box for a total of 30 elastic litter liners. Easy to use litter pan liners that measure 36" x 18" x 1.5 mil thick. These jumbo size liners fit all litter boxes. These are heavy duty, tear resistant cat litter liners that fit securely over the sides of the litter box. Features Sta-Put elastic bands to keep the liner in place. Makes cleaning your litter box easy and less time consuming.