What dog muzzles can offer you is that they can not only limit your dogs bad habit of chewing and biting on furniture, but also prevent pets from biting people, eating garbage, and barking randomly.A mesh design is used in this dog muzzle, which has good air permeability and will not make pets feel confined when wearing it. It has an adjustable neck strap, the tightness can be adjusted at will, and it is comfortable to wear.It is made of rubber material.There are 6 different sizes for you to choose from.Dog muzzle is very suitable for dogs, puppies and other small animals.Item name Dog muzzlesMaterial RubberFeatures Adjustable, Breathable, Tearresistant, ComfortableSize detailsS, Head circumference 30cm40cm11.8115.75 ApproximatelyS, Head circumference 34cm48cm13.3918.9 ApproximatelyM, Head circumference 39cm51cm15.3520.08 ApproximatelyL, Head circumference 45cm59cm17.7223.23 ApproximatelyL, Head circumference 47cm61cm18.524.02 Approx.2L, Head circumference 51cm72cm20.0828.35 Approx.NotesDue to the difference in light and screen settings, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurements.The package contains1Dog muzzles