Silicone is a clear upgrade from comparable foam patches With a Tacky Mat in hand, or on your pack, our patented silicone anchoring technology is just a reach away no matter where you are. Whether you&';re using a pack with a provided mat or adding it to one of our many carry systems, silicone is a clear upgrade from comparable foam patches. Each mat increases available storage by up to 90 flies. FEATURES Holds up to 90 flies Original patented silicone anchoring technology Withstands extreme temperature range Durable and tested for long-lasting strength Replacement Fly Pad for:-Summit Sling 2.0-Waterdance Pro Guide Pack-Canyon Creek Chest Pack-Sagebrush Pro Mesh Vest-Integrates Seamlessly With:-Cutbank Gear Bag-Blue River Chest/Lumbar Pack-Flathead Sling-San Juan Chest Pack-Switchback Pro Wading System-Thunderhead Rod & Reel Cases-Other Velcro Pads