1. Product name: Automatic retractable nylon dog leash/knotted pet comb 2.Function: easy dog walking, retractable leash, anti-stretching, strong load-bearing/removing floating hair, one-click hair removal 3. How to use: The switch controls the length of the rope, and the length can be adjusted. Push up to expand and contract freely, and press down to lock. / Micro-angle inclined surface, quick openingKnot, deep stroke. 4. Pet extension cord length: 3 meters 5. Pet comb material: ABS+PP+TPR+stainless steel 6. Scope of use: universal for cats and dogs 7. Product Description: Features: About :1. It can be stretched and retracted freely, with a long switch locking rope, and a thoughtful handle design, which is more convenient to use and protects pets. 2. ABS+TPE shell is waterproof, non-slip, non-stick, and comfortable to hold. 3. The metal hook is firmer, and pets are not easy to get lost. 4.304 stainless steel movement, uniform strength and long service life.About pet combs:1. The ability to remove floating hair is strong, and it can quickly solve the problem of pet hair loss. 2. Stainless steel waterproof, 178 needle combs make combing easier. 3. New technology upgrade, environmental protection and durable, comfortable and beautiful. 4. It is not easy to deform and has a long service life.About the combination:1 plus 1 pet comb