For Dog PU Leather Muzzle Adjustable Anti Bark Bite Breathable Chewing Care Mouth Cover Muzzles Pet AccessoriesFeature:Adjustable size, easy to wear and prevent tearingHollow air permeable holes allow your pet to enjoy restless and smooth breathingEnvironmentally friendly rubber material, soft and close to skin, strong, wear-resistant and bite-resistant, The mouth guard is designed according to the animal-shaped mouth, with a smooth arch, no mouth pressure and to breathe freely. Specification:Material: PUColor: Black, CoffeePackage: OPP BagSize:Size Front Circumference Mouth Back Mouth Back Head WeightS 14-18 18-22 21-33 8-25kgM 19-22 23-27 24-36 20-50kgL 23-26 29-33 31-40 45-75kgXL 24-28 30-35 38-49 70-110kgNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 X Dog Muzzle