You & Me Peanut Chewable Hamster Hideaway has an opening big enough for your hamster to climb in, but still small enough so he or she can hide. This natural, chewable home for your furry friend is sure to be a hit. This hideaway is definitely a fun and safe place to sleep, play or get away! The Planet Petco Peanut Chewable Hamster Hideaway also satisfies your pet's natural chewing instincts which helps relieve boredom. Great for hamsters, mice and gerbils.