Features:Made of quality wood plastic board, goog strength, waterproof, tough and durable.All parts are rounded smooth, no burrs, avoids hurting your hamsters.Washable, easy to clean after a long time use.Bright color and stylish design make it also great decor.Provide hamsters with play and rest place, relieve boredom and improve activity level.Specifications:Material: Wood Plastic BoardProduct Size: About 16.7 x 16.5 x 16cmColor: Blue / Pink / Green (Optional)Package Includes:1 x Double-Layer Hamster House Note:Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.Thank you for your understanding, nice day!