1pc Hamster Tunnel Tube Part Transparent Curved Straight Tunnel Tube DIY Toy Material: Plastic, Acrylic Style: as the pictures Color: as shown Size: Suitable for assembling tunnels with a diameter of 5.5-5.8cm Package includes: 1pc x DIY hamster cage external tunnel part 【CONNECTABLE AND EXPANDABLE】: The hamster cage tunnels are expandable and designed to connect to other habitats, providing an unlimited amount of living space for your hamster, gerbil or mouse. Perfect for hamsters, ferrets and rats, guinea pigs and small pets. 【HIGH QUALITY MATERIAL】: Set is made of hard plastic to prevent pets from biting it. Sturdy inner surface, good for climbing, long-lasting and more fun. 【SAFE & FRIENDLY】: There is no gap in the hamster tunnel connection, the pet's paws will not be caught and hurt. They are easy to assemble by hands and you can splice as you like. 【Endless Fun】: Curious pets will be attracted to interesting tunnels, which will improve your pet's quality of life and provide even more interesting and entertaining places for hamsters to explore, exercise and just relax. Satisfy your pet's natural instincts. 【SIZE AND PACKAGE】: Suitable for fitting tunnels with a diameter of 5.5-5.8 cm, They can be spliced together to connect the hamster bathroom with the same diameter.