The Delta Zipper Call Lanyard is made from heavy-duty nylon paracord for a lifetime of use and the nylon paracord call drops make adding and removing calls very easy. This is a high-quality lanyard worthy of your finest calls. It features 4 braided in call loops and one whistle strand with a stainless steel clip. Each lanyard is custom made with a focus on maintaining excellent attention to detail. Using no glue or wrapping, we ensure a clean, durable product that will withstand rigorous tests. We believe in the craftsmanship of our product and offer a lifetime guarantee. If under normal user conditions, your lanyard fails, we will replace or fix it.