• Pre-adjust the harness with metal adjusters to the approximate size of your dog's girth.
• Release the buckles, make sure the handle and logo pad are on the back.
• Secure the buckles, after proper adjustment, make sure you can fit 2 fingers between your dog and the harness.

Adjust with adjusters as needed. Use the 4 adjustment points on the straps to fit the harness snug on your dog.

No matter measure or wear, Please ensure you can put 2 finger between the harness(or ruler) and your pet, which can make the harness snug on your pets while they feel comfy