1. Open the dog mouth cover, measure the size of the dog mouth, and then adjust it to a suitable size. 2. Thread the bottom strap of the mask into the dog collar, with the Velcro facing upwards 3. Put a dog mouth cover on the dog, choose the appropriate size, and paste Velcro 4. Adjust the length of the strap to fit the dog's neck, and then fasten the buckle. Page 11Dog Muzzle for Small Medium Large Sized Dogs, Adjustable Basket Muzzle for Dogs Allows Panting and Drinking,Breathable Soft Mesh Muzzle to Prevent Biting Barking and LickingBlack,S Share: Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Fields with an asterisk * are required **010203040506070809101112 01020304050607080910111213141516171819202122232425262728293031* Enter the store name where you found this product* Please select province Please select province *010203040506070809101112 01020304050607080910111213141516171819202122232425262728293031 Submit Feedback What problems our product can help to solve? Save your dog's stomach Save your house when you are out Don't let our beloved dog become a noisy one. Prevent unexpected bad situation How to put on the dog muzzle Videos for this