Grassy Mat is a cozy critter carpet that"s comfy for pets" feet. Grassy Mat is a natural grass floor covering that is a perfect spot forcritters to curl up and rest, and offers protection for small animalclaws in cages with wire bottoms. Made of natural grass fibers, Grassy Mat is safe for your pets to grazeand chew upon. Grassy Mat also perfectly fits Super Pet Comfort Shelves! Grassy Mat is an ideal cage floor covering for rabbits, ferrets,guiniea pigs, pet rats, chinchillas, and other critters.