• 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.

To tighten:

The neck slider should be away from the handle.

To extend：

The neck slider should be close to the handle.

To tighten:

The chest slider should be away from the buckle.

To extend：

The chest slider should be close to the buckle.