Strong Material: We use high quality 1000D nylon material, dog harness bottom material with cotton cloth, contact with the dog skin is not easy to scratch, to avoid more hot, more comfortable,waterproof and durable. Fully adjustable strap & quick release buckle, Plastic buckle used in the US DuPont POM material, heat-resistant and cold-resistant.Chest Girth with three slides for two-way adjustment,to more easy adjust the fitting,provide more comfortable and safe harness for your dog. The top of the vest wire harness has a V-shaped buckle using aluminum alloy,Lighter than ferroalloy and zinc alloy,Rally is stronger pull and a handle, can be attached to the dog belt to facilitate better control your dog. The vest harness on both sides has an magic sticker ID panel that can be used for patches.It is worth noting that we use the comfortable liner on the harness to prevent the neck of dog from rubbing. 2 sizes 4 colors, please measurements the size before ordering to select the size of your dog (refer to the picture 7).