Adjustableand 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. ComfortableandBreathable: 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 SizesThe Dog Muzzle Available In 4 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. 100 percent Quality Guarantee: Within 24 Months If You Are Not Satisfied Or Damaged Under Normal Use,Ok,No Problem We will Full Refund To you.