Hideout in hamster tunnel Durable aluminum alloy for small rabbit rats Chomik 20 cm x 7 cm Description: Size: tunnel diameter 7 cm/2.76 inch, hole diameter 5 cm/1.97 inch. Suitable for small hamster animals. High-quality material: Our small animal tunnel toy is made of aluminum alloy, durable and not easy to deform. Great for small animals: Your furry friend will love that the hideout in the small animal tunnel provides hours of exercise and entertainment for cute little animals. Hamster cooling tunnel: Aluminum alloy has excellent thermal conductivity, when the cooling tunnel contacts the animal, the temperature of the animal is absorbed by the cooling tunnel, and then releases heat. It cools the animals quickly. Wide Application: The hamster tunnel is suitable for small pets, hamsters, chinchillas, Syrian hamsters, mice, rats, hedgehogs, etc. Specifications: Material: aluminum alloy; The package includes: 1 hamster tunnel