Check the listing for details. Adjustable Nylon Dog Safety Muzzle Muzzel Biting Barking Chewing Sizes XS-2XL. Condition: New. Listed at 5.12 USD. Adjustable Dog Safety Muzzle Muzzle Biting Barking Chewing All SizesOne of the most humane ways of protecting other dogs and people around your dog. It's very sad to have to admit you need this muzzle, but for some dogs, it is essential to give you piece of mind. Your dog is probably very comfortable around your home and familiar environments, but when a dog is placed under stressful situations, whatever they may be, his or her temperament may change. Small children who climb on and try to play with your dog are a prime example. This muzzle is hygienic, washable and comfortable when fitted correctly. X Small Muzzle: 11-14 cm (4.3" - 5.5 ") Suitable for Yorkshire Terrier, ChihuahuaSmall Muzzle: 15-17 cm (5.9"-6.7") Suitable for Bichon Frise, Jack Russell, Border TerrierMedium Muzzle: 18-20 cm (7.1"-7.9") Suitable for Beagle, Border Collie, Standard DachshundLarge Muzzle: 21-24 cm (8.3"-9.4") Suitable or Springer Spaniel, Labrador, Golden Retriever.X- Large Muzzle: 25-28 cm (9.8"-11") Suitable for German Shepherd, Weimaraner, American BulldogXX Large Muzzle: 29-32 cm (11.4"-12.6") Suitable for Great Dane, Leonberger, St Bernard