The product is highly durable and handle ✔ This nylon rope dog is suitable for medium to large dogs and has a wider range of activities. ✔Made of ultra-durable and wear-resistant polyester material. ✔The non-fading, non-rusting electroplated metal hook can be rotated 360° for easy opening and closing. ✔It trains the pet to adapt to the furthest distance from you, so when you move, memory will help it maintain a certain distance.