Automatically dog leash : Free movement - Brake - Brake Lock - Release - Pull Back.The reliable brake system of the retractable dog leash makes the lead simply brake and lock smoothly when you need. Resistant to wear durable ABS plastic casing with ergonomic grip and silicone anti-slip handle fits in your hand,provides enjoyable walking experience with your pets. The wide rope with double reflective line of the rim for good visibility at night. Helps you and your pets to increase safety while walking in the dark. The movement stainless steel spring has passed the complete stretching test more than 50,000 times of the woven belt with a diameter of 5 meters , up to more than 100,000 times, and the recycling is rapid and smooth.Just press the brake button down or lock by pushing forward with your thumb. Color: Fluorescent Green, Orange(optional) Weight: 415g Product Size: 18.7 x 12 x 3cm Load weight: S: Under 20kg M: 15-30kg L: 30-50kg Material: ABS + TPR + PC + Nylon Packing List: 1 x Dog Leash