Truelove Pet Adjustable Safety Reflective Nylon Harness for Big Medium Large DogsOverview: Two safety belt connection points: the aluminum alloy D ring on the back of the safety belt and the stainless steel O ring on the front of the safety belt. Ergonomic design: easy to open and easy to close. Reduce the risk of ordinary seat belts rubbing against the skin due to repeated friction. It helps pets keep their body temperature cool by releasing excess heat in summer, and keeps warm by keeping heat in winter. The adjustable shoulder