The internal mechanism uses high-quality 304 stainless steel Maple spring bars, which are strong and flexible, and will no longer get stuck. With the convenient and easy one-button brake system, you can set your furry friend free to explore, lock the dog leash in place, or retract it smoothly. Pecutes reliable retracting technology gives your furry friend more freedom while maintaining secrecy and allowing you to control as you wish. 360 Tangle-Free DesignThe U-shaped open design can correctly guide the leash to retract smoothly from any angle; the tail-end lock buckle made of galvanized alloy material can also rotate 360, and the double-detailed design prevents the leash from twisting and tangling. High Quality MaterialsThe headgear is made of strong ABS plastic, galvanized alloy hooks, durable, corrosion resistant and suitable for outdoor activities. The leash is made of high-strength polyester reflective maple wire, resistant, wear-resistant, soft and will not get stuck. Easy to Use The handle is made of TPE material, which is ergonomic and comfortable to sconter and prevents hand fatigue during long walks. Two Sizes Available Size S: 3 Meters/9.8 Feet, suitable for dogs weighing no more than 33 Pounds/15 Kilograms.