NiteangeL Natural Living House, Cozy House and Hide Space for Small Animals, Guinea Pig, Hamsters, Rabbits and Ferrets, Extra-Large, 17 x 11 x 8.7 inches All natural wood is safe for animals. Ideal sleeping and hideouts for guinea pig, hamsters, rabbits and ferrets. Promotes nesting and chewing instincts. Large space and two entrance hole, increases activity level. Fully assembled, easy to clean and resistant to odors.