2-PACK Dog Pet Vest Harness Strap Adjustable X-small, Small Medium Large XL No Pull SHIPS FROM THE USA FAST SO THERE IS NO DELAY ! Soft air mesh double padded vest harness with integrated Reflector great for walking, running, hiking and all outdoor activities, maintains your dog's natural movements Soft breathable texture with no hard edges or buckles to irritate skin, no tugging and pulling on your pet's neck and makes walking comfortable. Fully adjustable straps at neck and chest allow a custom fit of your dogs. Lightweight Design 360surrounds the integrated pet dog vest harness, evenly divides the pressure, relieves the stress, protects the dog's chest and abdomen, ensures maximum durability Quick release buckle and D-ring for leash attachment Fitting Instructions/Sizes- X-Large: Base of Neck: 15.7 in/Chest Girth: 21-32 in/Weight 28-47lbs Please choose size based on your dog's chest girth and neck girth by measuring around the widest part of your dog's chest and neck before purchase. If in between size, choose the larger size and be sure to set aside 1 inch Size Base of Neck Chest Girth Weight XS 7.5" 9-13" 4-6 lbs S 9.8" 12-18" 6-10 lbs M 12.5" 14-29" 10-17 lbs L 14.0" 19-29" 18-27lbs XL 15.7" 21-32" 28-47 lbs