Smooth Slipping P Ring: This choke collar is a metal chain with a ring on each end. You can through one chain into the ring, making it to be “P” Shape. After correctly setting it up, you can slide the chain over your dog’s head and fasten it to a leash, and vanish your worries regarding your dog’s inappropriate behaviour. Comfortable Wear: This dog choke chain is lightweight, assemble it into a “p” shape and fit it just behind your dog’s ears, it doesn't put pressure on the dog's neck, and even do not feel wearing a collar, gentle but effective in controlling dog pulling. Great Tool for Training: Training your canine is easier with this dog training collar. It is strong and effectively does the job of controlling and training your dog, to prevent unwanted behavior during walks. Suitable for walking and training. Material: The dog chain is made of quality metal with a chrome-plated surface, feels smooth, does not clip pet's hair, does not hurt their skin, owns good hardness, has good load carrying capacity, great for use when training your dog. Package Include: 1 Pcs of dog chain collar, gauge width is 2mm, length of 40cm, Please kindly using soft tape to measure your dog’s head and neck to choose the proper size. training dog chain collar is great for weights 3~6KG.