This muzzle allows your dog to breathe, drink water. It's also great for limiting your dog's ability to bark, bite and chew. Made of durable, high-quality nylon. The neck straps have adjustable buckles, users can adjust the length freely. They are easy to install and wear. Not suitable for short-nosed dogs. Mind that before you put the muzzle your dog must be trained for this. Train a Dog to Accept a Muzzle. The dog who never trained for muzzle will definitely try to pull it off immediately. And obviously after several attempts dog can escape from any type of muzzle. Muzzle is the type of accessory that is only meant to be used for short periods of time, and only when your dog is supervised. muzzles are used to prevent dog bites. They are not for preventing problem behaviors by forcing your dogs mouth closed. Do not use a dog muzzle for barking, chewing, or other ongoing behavioral problems. If you believe that muzzle is a must have for your pet, please ask for professional advice from dog trainer. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store