Description: Durable Material: Hamster House is made of high quality wood material, smooth and rounded edges, no burrs, strong and durable, easy to clean, can be used long time. Unique Design: The Hamster Hideout features hole, hamster burrow provides a playground for hamsters to hide, sleep, play, rest, and chew. Fully Functional: Hamster Wood House improve pets activity ability, and imitate burrow to satisfy their playing instinct. Breathable: Our Mouse/Rat Hideaway roomy and ventilated, keep air circulating and let your pets breathe freely, enjoy comfortable living. Widely Used: Wooden Hamster House perfect for Dwarf Syrian Hamsters, Lemmings, Mice, Rat, Chinchilla, Hedgehog, Gerbil, and Other Small Animals. Specification: Material: Wood Size Chart: Single Room:15cmx15cmx11.5cm/5.91inchx5.91inchx4.53inch Two Room: 28cmx15cmx11.5cm/11.02inchx5.91inchx4.53inch Three Room: 28cmx15cmx11.5cm/11.02inchx5.91inchx4.53inch Hole: 7cm/2.76inch Package Includes: 1Hamster House Note: Please allow slightly errors due to manual measurement and different monitors.