Bigger Giant Roll-a-Nest is an all natural grass hide-out that provides the ideal spot for your pet to play and rest! Each nest is made of natural plant fibers hand-woven onto a sturdy support frame. These natural plant fibers are safe for your pets to graze and chew upon. Bigger Giant Roll-a-Nest's large size creates a perfect snuggling spot for Dwarf Rabbits, Guinea Pigs, Ferrets, Chinchillas and Pet Rats. For added fun, connect Fun-nel Tubes directly to your new nest and watch the fun!8 Round - UPC: 45125603972