Features: 1. Our hamster tube is made of sturdy plastic, durable, and easy to assemble and take apart for cleaning. Curious pets will be attracted to interesting tunnels, which will enhance their ability to climb and explore.Satisfy your pet's natural instincts. 2. Curious pets will be attracted to interesting tunnels, which will enhance their ability to climb and explore.Satisfy your pet's natural instincts. 3. There is no gap in the tunnel connection, the pet's paws will not be caught, and the comfortable pipe will not hurt the pet's paw. 4. Great for Hamsters, ferrets and rats, guinea pigs and small pet. Our hamster cage tubes kit is a set and they can be spliced together to connect the hamster bathroom of the same diameter. 5. We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. Specification: Entrance Diameter: 5.5cm Material: Plastic Color: White, pink, blue Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. Include: 1 Set * Hamster Running Tunnel