The Only Muzzle You Need: Say goodbye to your old muzzles. The BARKLESS practical muzzle has features you need to prevent your dog from nipping, destroying, fighting and digging and eating everything while the basket-style design gives all-around mouth protection allowing your pet unrestricted drinking and panting. Best muzzles make it the ideal choice for reactive dogs$aily walks, occasional use, dog park socialization, grooming, vet visits, training, traveling, and walking | Safe & Humane: Friendly silicone basket muzzle for dogs are more pliable and softer, making them comfortable for the dog since it doesn't rub the top of their snout. Humane muzzles for dogs allow your dog to pant, drink and treat train while being worn with the uniquely designed bar spacing which forms dog muzzles to prevent biting | Optimal fit & Secure: Comfort-fit design for all sizes of breeds with adjustable head and neck straps allow you to quickly adjust the size to fit your dog, making it ideal for the puppy, small, medium, and large dogs. Two folds in the strap on each side of the large dog muzzle are for making the dog mouth cover fitting for your dog. Itàour unique design and not stitching damage | Easy to Use: Measure the dog and use the sizing chart provided to select the size that will fit the dog. Fasten the straps to the desired tightness and your dog is securely muzzled. Includes fitting instructions, a training guide, and a comprehensive video | Muzzle for Large Dogs: Size L fits snout circumference 11.75""-13"", snout length 4"". Dog muzzle for large dogs is suitable for Belgian Malinois, German shepherd, Cocker Spaniel, Welsh Terrier, Airedale, Doberman, German Shepherd, Greyhound, Labrador Retriever, Golden Retriever, and Alaskan Malamute. The breeds above are a general guide only. Select the size based on snout circumference and snout length before purchase, not the breed