1. Material: polyester braid, ABS, rubber, alloy buckle2. Weight: about 163 grams for 3 meters long, and about 230 grams for 5 meters long3. Size: the traction belt is about 3/5 meters long4. Recommended weight: 3 meters long is suitable for dogs within 15 kilograms, 5 meters long is suitable for dogs within 20 kilograms5. Features: ABS shell, matte texture, comfortable touch, anti-winding rope outlet, safe retractable, retractable switch, push forward to lock, back push and release rope, polyester braided rope, high strength, alloy metal buckle, durable and anti-rust

http://olla.gr/pet-automatic-telescopic-traction-rope-dog-rope-dog-chain-3m-black-blue/