Material: Made of steel wire material, durable. NOTE: The delivery is folded, open is the same as the picture, and the colors of the feathers and sisal balls are random.Design: design so that cats can freely get in and out of the tunnel. cats and kittens, it is carefully designed according to cats daily habits, practical, space saving, compact, and doesnt take up too much space.Collapsible: Collapsible tunnel for compact storage and travel carrying, can be easily folded down and storage when not in use. Convenient and easy to take anywhere, so your pet is never bored!Feature: There are toys inside that hanging for cats' enjoyment.Attract Cats Attention: Fun toy for cats to play, gives your kitty ways to have fun, provides hours of exercise, self amusement and hiding away. Specification: Material: Steel Wire Size Chart: Length: 50cm/19.69inchDiameter: 20cm/7.87inch Package Includes: 1 Cat Tunnel Toy Note: Please allow slightly error due to manual measurement.