American River Neon Sport Dog Harnesses Multiple sizes available Additional colors available The adjustable dual closures of a large Velcro flap plush a nice sturdy quick-clip that provides added security. Certified Break Strength Tested to 386 Lbs, by an International Independent Testing Laboratory. The choke-free design eliminates pressure on the trachea, plus there's two reflective strips on the shoulders for nighttime visibility. The step-in design makes these harnesses easy to put on and take off.