Emours Natural Wood Playground Wooden Swing Toy for Mouse and Dwarf Hamsters and Other Small Animals Made of natural wood material, safe for pets for chewing Fun playground and resting place. Relieves boredom and increases activity level Measures 5.5'' in width, 4" in depth and 4'' in height .Ideal for hamster, mouse and other small furry animals. Please check the size before ordering Easy to clean and resistant to odors Add a natural look to your pet's home, while giving him a fun spot to play