Stainless steel coil spring + wear-resistant webbing, "5-year dog walk without breaking": The inner stainless steel coil spring is smooth and durable, while the outer polyester webbing is bite-resistant and wear-resistant, even with large dogs, it's three times more durable than ordinary plastic-core leashes. ABS non-slip grip + oval leash outlet, "Hold all day without soreness": The curved grip fits snugly and prevents slipping. The oval leash outlet allows for 360 traction, ensuring smooth, no-pull leash flow during dog walks, making it 10 times more comfortable than a straight grip. One-touch locking + free retraction, "instant braking" when your dog runs: Press the lock button to instantly lock the leash when your dog runs; releasing the unlock button allows it to retract freely, preventing breakage and accidents, making it twice as safe as a non-locking leash. Alloy swivel leash buckle, "tangling-free" even when your dog is running wild: The leash buckle rotates 360 , allowing your dog to run back and forth without tangling. No need to manually untie the leash during walks, making it much easier than a fixed buckle. Exquisite appearance + Detailed design, "walking the dog also has a sense of ritual": bone pattern + contrasting color design, handle curve, rope hole details are full, the appearance crushes ordinary dog leashes, a must-have for pet owners to post on social media