The retractable dog leash is made of environmentally friendly materials. This leash for large dogs is made of ABS material, which has good resistance to breakage and will not crack or shatter, and can be used continuously. Retractable dog leashes for large dogs are strong, durable and long lasting. Nylon leads are shiny and beautiful. Heavy duty leash with front flashing light allows you to walk your dog safely at night. The large dog leash includes a built-in touch light with a non-removable LED light on both sides of the leash. If you are a night walker, then this is the leash for you. The light gives you a clear line of sight and gives your pet security. Retractable leashes can provide your dog with more room to roam or allow your legs to move freely during activities such as running. In addition, lockable leashes excel in accommodating a variety of activities and requirements.The shorter retractable leash makes it easier to keep your dog close as you walk through busy streets, crowded neighborhoods' or retail establishments.All you need to do is lock the leash. Color: PurpleMaterial: TPR+ABSRope length: 3mSize: 17.5 * 9 * 4.8cmWeight: 0.22kgCollar size:S neck circumference 22-35cm, reference weight 3.3-11 poundsM neck circumference 27-43cm, reference weight 12.1- 27.6 poundsL neck circumference 33-50cm, reference weight 28.7- 55.1 pounds(1) If your dog pulls or jerks suddenly, you should always hold the handle of the leash firmly to avoid wrapping it around your hand or fingers. (2) Avoid pulling back on the leash too quickly or forcibly to prevent damage to the tape or cable and rendering the device useless. (3) To avoid any inadvertent entanglement or injury, always retract the leash completely and lock it in place when not in use.