"Product descriptionSize: 25*50cmColor: blackMaterial: polyester clothPackage content: 1*pet tunnel1.GOOD WAY TO PLAY : With a spacious tunnel,soft ball toy.It provides times of exercise & self-amusement to keep their exercise in top shape and work on their mobility and flexibility.2.GOOD MATERIAL :This cat tunnels for indoor cats is made of polyester. Polyester wrapped around a sprung-steel frame.3. CONVENIENT USE :This cat tunnels and tubes for indoors and outdoors is not just fun and comfortable for your pets but also convenient for you as well!Is so easy to fold and put away or take it on a trip.4.TIPS :They are great for small kittens which may be just learning to walk and explore, as well as older cats,rabbit to encourage exercise.Pay attention steel rib that had slipped out of its socket inside the fabric.Be very careful with the foam balls.Cat can not eat it.It would probably be fine for a declawed cat.5.Collapsible design the cat tunnel folds easily when not in use. It comes with a storage bag, space-saving, convenient for travel and storage."