The Scientific Anglers Launch Pad Drift keeps fly lines organized and tangle-free in rafts and drift boats. A durable, easy-mount management system for smoother casting and better control on the water. Product Features: For managing fly line on drift boats and rafts, 12" x 16" design Made from UV resistant silicone. This mat will sink if thrown overboard. Multiple lash points are provided at each corner for tethering with straps. Minimal tension should be applied to avoid tears. Reservoirs are designed to hold water for shooting New spikes are designed to catch line in one direction and easily release in the opposite direction. The vertical side of the spikes should face toward the angler Made in USA