No pull dog vest harness fits large breeds 50 to 80 lbs with four adjustable sliders that customize neck and chest fit. 600D Oxford fabric paired with spandex fiber stretches around the chest while reflective stitching keeps walks visible after dusk. Two zinc alloy D-rings clip to the included 5 ft leash from front or back and a top control handle gives owners quick correction during pulls. Quick release Pom buckles let owners pull the harness on and off in seconds.