Baby 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. Baby Giant Roll-A-Nest's offers the perfect snuggling spot for guinea pigs, ferrets, chinchillas, pet rats, and other small sized furry friends. Baby Giant is 6"round