Unique double-head adjustment design:The length of both sides of this dog leash coupler can be adjusted.you can adjust the length of both sides to o dogs of different size.You can just combine the o dog leash into one lead by locking the hasps together when you need it. Reliable material:Made of high-quality nylon material, this no tangle training lead is safe and durable, not easy to break by pulling or chewing, can be used for a long time.Does not absorb water, can washable, better than leather leashes for dogs, will not rot or mildew. suits all dog collars.Please allow to dry after washing. No tangles:This double training belt for pets can be rotated 360 degrees without tangles, reducing the entanglement of o dogs; enjoy the peace that our tangled leash accessories provide you with you so that your dog can walk around safely and lead a comfortable and relaxed life. Size information:The double dog leash strap approximately 1.5 cm wide and 50 cm long.The one-sided rope is 30 to 50 cm long.It can also be adjusted to the required rope length. Make a pleasant walk with the dog in the most comfortable way.