Planet Petco Small Animal HideawayOur Planet Petco Small Animal Hideaway is a classic, natural solid-wood hideout for small animals. Constructed from quality pine timber, this fun hideaway provides your furry friend with a natural sense of security. Made with wooden peg construction, no nails or staples to harm your pet. Ideal for mice and dwarf hamsters, this hideaway also helps satisfy your pet's natural chewing instincts which relieves boredom and stress. Four sizes of hideaways include: Small: gerbils and mice. Medium: hamsters and small rats. Large: guinea pigs, large rats, and chinchillas. Extra Large: rabbits.