<p><b>Size:</b></p> <ul> <li>L: Girth 28''- 40''(71- 101.6 cm), Back 12''(30.5 cm), Neck base 21''- 27''( 53-68.5 cm), Neck to armpit 13''(33 cm), Dog wight 30-40 kgs. </li> <li>XL: Girth 32''- 45''(81.3- 114 cm), Back 13''(33 cm), Neck base 24''- 30''( 61-76 cm), Neck to armpit 14.5''(37 cm), Dog wight 40-55kgs. </li> </ul> <p><br></p> <p><b>User Instructions: </b></p> <ol> <li>Connect: First, snap the Shoulder Metal Buckles up to connect the upper and the lower parts of the harness. (The lower part of the harness comes with 2 separate pieces which are connected by the slider.) </li> <li>Put-on: Slide your dog's head through the front opening, with the side with the handle facing up. The front hook-and-loop panel should be on your dog’s chest. </li> <li>Adjust: Adjust the Chest and Belly Straps accordingly to fit your dog's body. </li> <li>Secure: buckle up on both sides of the belly.</li> <li>"2-finger rule": You should be able to fit 2 fingers between your dog's body and any part of the harness. Tips on Adjusting the Straps: 1. To tighten the Neck straps, feed the strap into the slider, bringing the slider closer to the Front Leash Attachment. Reverse for extending the straps. 2. To tighten the Belly straps, feed the strap into the slider. Reverse for extending the straps.</li> </ol> <p><b>Directions:</b></p> <ul> <li>The harness has a water-resistant coating, which is easy to wipe clean.</li> <li>If the harness gets wet or is washed, please let it dry completely before having your furry friend wear it.</li> <li>Handwash only. Not machine washable.</li> <li>Not chew-proof.</li> </ul>