Uses: Meet your hamster climbing needs. Increases the space in the cage, allowing you to enjoy the life of your hamster and relieve stress. Design: Simple sign, cute slim wave, basic item with cage interior. Right angle design makes it easy and stable to adapt to any surface. ❤Features: All corners are rounded to prevent injury. Rest assured. Size: Recommended for Golden Hamster, Kinkma, Dwarf Hamster, Jungarian Hamster, Macaroni Mouse, Roboski, Hedgehog, Squirrel. Material: Made of European birch wood and peyaki bar for a natural feel. Unfinished, unpainted, and no screws on metal, etc. to protect your safety. Safe to rod. It is durable and will last for many years.