Durable nylon with soft padded liner,comfortable and breathable to wear Hook & Loop design,for size adjustment,also you can put some patches,stickers The D ring design,convenient for you to attach the leash and training High quality zinc alloy buckle,resistant and not easy to rust Quick control handle design,more easily to prevent your pet from running suddenly For the buckle,you can open it by press it's both sides up,when you lock it, just push it gently. Suitable for outdoor sports, training, travel, camping and hunting, durable dog training collar Fit for medium large and extra large dogs,e.g.Bull Terrier/Samoyed/Husky/Chow Chow/Bulldog/Pitbull/Labrador/German Shepherd/Rottweiler/Golden Retriever/Afghan Hound/German Doberman pinscher/Mastiff/Alaskan Malamute/ Boxer/ Rottweiler/ Dalmatian/Saint Bernard/Old english sheep dog.etc.
