1. Material: ABS plastic, chrome-plated metal2. Weight: about 120 grams for 3 meters long, and about 210 grams for 5 meters long3. Size: the length of the traction belt is about 3/5 cm4. Application: dogs5. Features: freely retractable, ABS plastic, sturdy and durable, one-button brake, easy to use, chrome-plated hook, not easy to rust, ergonomic design grip, comfortable grip

http://olla.gr/traction-rope-automatic-retractable-tractor-portable-dog-leash-small-3m-dark-blue/