1.HIGH QUALITY UNIQUE MATERIALUnlike traditional nylon webbing, our HOWGO collar is made of high-quality nylon webbing and fully covered with high-grade PVC coating. It& 39;s sturdy and easy to clean, making it a good choice for everyday use.2.Golden Ratio ConstructionOur HOWGO martingale collar design adopts the golden ratio of stainless steel chain construction, the O-ring is smaller and lighter than the traditional martingale collar. Our collars are lightweight and comfortable for your dog training.3.BEST ACCESSORIES SUPPLIERWe choose side buckles with Duraflex buckles, it is the best buckle in the world, the sturdy construction and high quality material ensure that the collar will never untie itself. A separate attachment point makes it easy to add or remove your dog& 39;s ID tag.4.Gentle ControlLimited harness collars are designed to give your dog extra control more safely and effectively, and are adjustable in length for added comfort.