Made with natural ingredients, the National Geographic Natural Wood Dome gives your pet a sense of safety and security. Plus, he'll stay occupied with wood that's safe to chew. Only at PetSmart. Features: Natural wood material is safe for pets to chew. Includes: 1 Natural Wood Dome Intended For: Hamsters, gerbils and mice Size: Small Dimensions: 5.6"L x 4"W x 3.5"H Color: Brown Shape: Dome Material: Natural wood Cautions, Warnings or Side Effects: Observe your pet's behavior with this item for suitability. Some items may be inappropriate for your pet. Remove and replace the item if it becomes damaged. Size: Small. Color: Brown.