DURABLE MATERIAL: This hunting collar is made of high-quality, durable, double-layered, thickened nylon material. The inside of this dog training collar has a soft padded lining that reduces friction with your dog's skin and hair, making it more comfortable for your dog.Adjustable K9 Dog Collar: This wide dog collar is size L; you can freely adjust the length of this K9 collar to fit your dog's neck size. The adjustable range is 42-54 cm. It is recommended to choose this size L. The wide dog collar can be used with dogs weighing 22.5 to 32.5 kg. .Handle for Quick Dog Control: This dog training collar features a thickened handle that helps you quickly grab your dog in an emergency and control your love as quickly as possible by grasping the handle on this dog collar for large dogs to avoid accidents. .How to Use: Using this dog collar is very simple. You just need to adjust the length of this retriever collar to your dog's neck area, stick the Velcro fastener and the fixed Velcro loop, and then fasten the zinc alloy buckle. Since the loop of this dog collar with handle is inflexible, do not leave more than two fingers of space between this collar and the dog's neck.