Great Leash For The Money You Pay:All dog chain leashes are composed of 18k gold plated 316l stainless steel chain,gold spring and black leather handle. Designers used cuban link chains which are sturdy,,nickel ,lead ,moderate weight and chew proof. The spring acts as a buffer when you are pulling the dog, so you can save a lot of effort.The leather handles are smooth,comfortable and never hurt your hands. These leashes can withstand a strong pulling force..Help You Train Dogs:If you want to train your dogs, walk dogs, these leashes will be a great choice. These leashes are well-made and completely handcrafted.The chew proof 316L stainless steel will never defeat by your dogs,because it's heavy duty and can withstand a strong pulling force. Small, medium, large dogs like puppy, pitbull, American bulldog, German Shepherd, husky,boxer dogs and so on are suitable for these dog chain leashes..How To Select The Size: The chains' width is 15mm(0.59inch), length of 2ft(24inch),3ft(36inch),4ft(48inch).Usually 15mm wide chains are suitable for medium-sized dogs. As for the length, you can decide according to the distance you want..Well Made: High level handmade,so the chains have tight metal rings and feels smooth, and the buttons are not easy to break,the handles are nice leather and comfortable.