Help safely guide your canine companion into good boy territory with the HEELE Adjustable Nylon Dog Muzzle. This tool helps prevent your pup from acting out in high-stress situations like vet visits, grooming appointments or even on walks in public. Attention: picture shows measuring tip of dogs nose, so definitely measure the tip of the snout, not the widest part. | The soft comfortable nylon muzzle is lightweight and flexible. It has an adjustable neck and snout, soft padding, breathable mesh webbing and a mouth opening, so your dog can pant and breathe easy. The durable nylon and heavy-duty release buckle are designed to last for walk after walk. | Durable nylon muzzle is designed for comfort. Helps stop biting, barking and chewing and allows panting and drinking. A nylon strap adjusts for a custom fit and is designed for effortless panting, breathing and sweet nuzzling. This comfortable nylon muzzle promotes safe behavior in breeds like the Jack Russell, German Shepherd Dog, Doberman, Dalmatian, Labrador, Rottweiler and other furry friends with similar snout shapes. | Dog muzzles do not help with aggression, but they can help keep an aggressive dog from biting. Use a dog muzzle as a short-term safety measure and talk to an experienced animal trainer or behaviorist to learn how to stop aggression and biting behaviors in the long term. | Be sure to measure the length and circumference of your pup's snout before ordering. Available in 5 different sizes so you can find the perfect fit for your pup. If the dog happens to be in between sizes, it's then recommended to select the bigger size. Offer 12 Months Warranty and 60 Days Money Back Guarantee.