Features: Adjustable & Secure: The Dog Muzzle Is Adjustable, And The Nylon Neck Strap Is Easy To Wear And Install. A Plastic Buckle On The Neck Strap Which Prevent The Muzzle Falling Off Comfortable&Breathable: The Muzzle Use Breathable Mesh Material Make The Dogs Feel More Comfortable And Breathable,And The Materrial Above The Nose Is More Soft Than Other Muzzle,Nylon And Breathable Mesh Material Can Reduce The Weight Burden Of Pets Protcetion: Using The Muzzle Can Effectively Prevent Dogs From Biting ,Eating Unclean Food And Hurting Others. Multipe Sizes: The Dog Muzzle Available In 3 sizes Can Be Adjustable To Be Used For All Dogs Including Tiny And Gint Breeds ,If Your Dogs Circumference Is Between Two Sizes, Smaller Size Would Be More Suitable. Attention: Most Dogs Don't Adapt To Wear Muzzle At The Beginning, So We Have To Take Time To Make Them Adapt Muzzle Patiently. Details: Material: Nylon Color:Black Instructions for use: Use a soft ruler to measure the pet's mouth circumference (the circumference of the middle of the mouth). It does not need to be too tight. You can put a finger in it. Choose the closest size muzzle according to the mouth circumference. Put the mouth cover on the pet, adjust one side on the top, and put the grid on the bottom, buckle the plastic buckle behind the pet’s neck and adjust it to a proper length. The strap can’t be adjusted too tightly to allow the pet to stretch Tongue out Precautions: Do not wear spouts for long periods and unattended Do not use pets for the intended purpose of the muzzle Pay attention to the correct method of wearing, so as not to hurt people Check the equipment before wearing, stop using it if it is damaged You will usually feel uncomfortable before wearing it for the first time, do not force it. Need to adapt slowly Standard sizes: S : Suitable for dogs with a mouth size of 12-15cm(4.8"-5.9") M : Suitable for dogs whose mouth is 18-24cm(7.1"-9.5") L : Suitable for dogs whose mouth is 28-34cm(11.0"-13.5") Maintenance: Wash the strip with a neutral detergent and rinse with water Avoid using in high temperature, low temperature and humid environment Do not use hot water for disinfection, contact with gasoline, alcohol Do not allow pets to bite the muzzle, which will damage the muzzle