High Quality Materiaour Pet Tunnel Use Eco-Friendly Material From Premium Supplier,Ultra-Strong And Tear-Resistant Polyester With A Sprung-Steel Frame To Keep Its Shape, Waterproof, Durable, Scratch Resistant And Bite Resistant Collapsible And Portable:Collapsible Design Makes It Easy To Fold Down In Seconds Especially For Easy Travelling, Indoor And Outdoor Activities,Only Need A Small Space To Storage,Take This Cat Play Tunnel With You Anywhere, Your Pet Will Never Feel Bored Assembled: Rope Splice Design, Any Combination Available, You Can Combine Two Tunnel Together To Make A Longer Tunnel, Convenient And Practical Perfect Pet Companion: Equipped With Funny Bell And Dangling Fluffy Ball, Attract Pets Attention ,Increase The Fun Of Playing, Make Pets Happier And Healthier Improved Function:Our Cat Tunnel Combined Exercise And Treatment Function, Providing Hours Of Mental Stimulation And Physical Play, Burn Off Excess Calories,Boost Confidence And Enhance Health Body