Notice: the rope color of 8 meter leash has changed (all are gray rope). take care of this photos below 3Mis suitable for pet weight up to15 kgleash length 3m , width 1 cm5Mis suitable for pet weight up to20kgleash length 5m . width 1 cm5M plusis suitable for pet weight up to50kgleash length 5m , width 1.3 cm8Mis suitable for pet weight up to50 kgleash length 8m , width 1.5 cm Every dog is a sports geniusThe EC.TEAK retractable leash that is designed for walking in open areas with your best friend to enjoy the fun of freedom. Retractable Dog Leash nylon tape extends up to26 FT,The use of nylon tape material provided by the supplier of automotive safety belt, strong and durable, No noise design made for daily use.Break & Lock safety systemYou can push the button all the way down to lock the leash, or click the button back to easily reel your dog back in. It will remains locked as long as the button is preed.Its reliable lock system gives you full control enabling instant retraction of your dog when neededCautions:Consider in advance how your dog might react in unpredictable situations. For safety reasons, keeps your dog at your side before any poible dangerous situation emerges. The retractable dog leash should not be used by children.Do not try to open the plastic casing or disaemble any other parts, the spring inside may cause unexpected injuries.Do not hold or grab the tape and do not allow the tape to become wrapped around parts of the body, you may get hurt. The dog may bite the belt when the first time you use the product, which is normal. So please pay attention to it and avoid the damage caused by dog biting or sharp items. Break & Lock Safety System Safe And Reliable Brake System: One Button Break to lock. When the brake button is pushed, the retractable leashes instantly stops and is securely held at exactly that length. A perfect spring for smoothly retracting dog leash while you will not hurt yourself. Size for Your FriendThis Retractable Leash works for large dogs, as well as medium-sized dogs up to 110 lbs.