Paw Inspired® Critter Box® is simply the best cage liner habitat for your guinea pigs and other small animals! No more scrubbing dirty cage corners and bottoms. With the raised walls of the Critter Box®, your cage will stay 100% clean and protected. The barriered absorbent sides assure all messes stay contained on the washable cage liner itself. This leakproof liner is also super absorbent and equipped with Sweep-EZ™ nonstick fleece for simple and easy cage cleanup. It's also reversible, allowing you to choose a color that best fits your little buddy's habitat. The Critter Box® is not only useful for guinea pigs, but is also extremely useful for ferrets, rabbits, rats, bunnies, hamsters, dogs, hedgehogs, chinchillas, birds, and all other small animals. The Critter Box® liner fits perfectly in most top-selling guinea pig cages, small animal cages, and habitats. Try them now and see the Paw Inspired® difference.