Hoppd Disposable Cage Liners For Critters The Hoppd Disposable Cage Liners are designed specifically for small critters like rabbits, chinchillas, gerbils, hamsters, and guinea pigs. Made by the brand Hoppd, these cage liners come in a size of 24x34 inches, making them perfect for small animals to comfortably move around in their cages. The disposable nature of these liners ensures easy cleaning and maintenance for pet owners, providing a clean and safe environment for their furry friends.