Chiwava Dog Retractable Leash Flexible Leash Auto Lead, 9-10 feet Long Rope, Supports Up to 20kg Around 3 Meters Rope, Suitable Max 20kg/44lb Dogs. just to press the small button to lock or release the leash. Has safe release button,Environmental Protection material TPE Casing. Durable black leash,Comfortable handle,Metal buckle.