Features: Brand new and high quality Connectable: The hamsters cage tube kits are designed to connect to other habitats, provide larger amount of living area for your pet hamsters, gerbil, or mouse. High-Quality Material: Our hamsters tube set is made of hard plastic to prevent pets from biting it; Solid inner surface, good for climbing, long lasting and more fun Safe & Friendly: There is no gap in the hamsters tunnel connection, the pets paw will not be caught and hurt. Easy to assemble with hand and you can split as you like. No glues/nail/screws needed, very user friendly. Great Fun: Curious pets will be attracted to interesting tunnels, which will enhance increase your pets life and bring more interesting and entertaining tunnel in which hamsters can explore and exercise. Satisfy your pets natural instinct. Size & Package: Tunnel diameter about 5.5cm/2.16inch, great for Hamsters, young guinea-pigs, mini gerbils and small pet. Our hamsters cage tube kits is consist of totally 8pcs and they can be use together to connect the hamsters bathroom of the same diameter. Specifications: Material: Plastic Color: White/Pink/Blue/Cyan-color Size: Approx. Tube Diameter 5.5cm/2.16in Weight: Approx. 290g Package Includes: 1 Set Hamsters Tube Toy (White/Pink/Blue/Cyan-color) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!