1. Made of high-quality metal and cotton rope, wear-resistant, not easy to break, reusable and durable.2. Good exercise tool: Our spring bar is the best muscle building tool for dogs. Dogs love the pulling, swinging, and pulling action that spring bar provide and can provide countless hours of fun.3. Matters needing attention: The spring rod only plays the role of reducing force and shock absorption, not an elastic rope. Toy cords are not indestructible chew toys.4. Easy to install: The spring bar can be hung on the tree or solid wood or iron frame. Simple and convenient.5. Suitable for dogs of all ages and breeds. A great gift for dogs.Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: metal, cotton ropeSize: As shownincludes:1 set x Dog Spring Pole Toys