No Pull and No Choke: 2 sturdy metal leash rings with reinforced webbing for safer dog walks. Use the chest clip to stop your dog from pulling, perfect for dog training or dogs who tend to pull, and back clip for casual walks, jogging, hiking, etc. Ergonomic design, pulling pressure is evenly distributed to the body to prevent Choking. Durable and Comfortable: ScratchtoResistant oxford material durable outer layer which is super easy to clean, with longtoterm usage. Padded with a soft cushion to protect your dog's skin. Quicktodry and soft breathable lightweight mesh liner keep optimal comfort during outdoor activities even for tactical training. Reflective and Safe: With the reflective stitching the pet vest keeps your dog SAFE all the time while out for a walk even at night, And the easy grip handle helps you to control and assist your dog. Fully Adjustable and Easy to Put on: With 4 easy adjusting straps around the body. You can adjust its 2 neck straps and 2 chest straps for a perfect fit. No worries about slipping out or choking. Easy to put on and take off with its 2 fasttorelease buckles. Slide the harness over your dog's head, Buckle it up, Adjust the straps, and here you go! Extra Large Dog Harness to Medium: This dog harness has Fully Adjustable Slide Straps at the chest and neck, not only great for large dogs but also suit for medium dogs as golden retriever, Labrador, German shepherd, Husky, American bully pitbull etc. Please mesure the chest and neck girth before purchanse: S: Chest 13to24.4" Neck 11.8to16.5" M: Chest 15.4to26.4" Neck 13.4to19.7" L: Chest 17.7to31.5" Neck 14.2to22.1" XL: Chest 19.7to35" Neck 18.9to27.6"