The Alfapet KITTY CAT 10 PREMIUM SIFTING CAT PAN LINERS are designed for extra-large litter boxes, measuring 37x18 inches. These sifting cat pan liners by Alfapet are ideal for keeping your cat's litter clean and well-maintained. The brand is known for its quality pet supplies, making these liners a reliable choice for cat owners looking to simplify their litter box cleaning routine. Made specifically for sifting litter boxes, these extra-large liners provide ample space for a clean and hygienic environment for your feline companion.