Features: brand new and high quality Material: Small animal tube tunnel is made of quality plush outer fabric and nylon inner fabric. Size: Tunnel is about 6.3" in entrace diameter, 21.65" in length. Foladable: The hamster tube is easy to fold. There are tie straps on the end of the tunnel for easy storage. Wide Applications: This for play tunnel can hold small pet no more than 5.5lbs, better size for guinea pig,ferret ,rat, sugar glider, hedgehog, rabbit and other small animals. Satisfy Instinct: The cute hamster tunnel provides spacious room for small pets to run through it from end to end, brings them endless fun, providing hours of exercise and self-amusement. Specifications: Material: Flannel, Nylon Lining Size (Approx.): Entrance Diameter 16cm/6.30in, Tube Length 55cm/21.65in Weight: Approx.170g Package Includes: 1 Piece Guinea Pig Tube Tunnel 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. Thank you!