The Seals Cockpit Seal ULTRA, keep the weather, bugs and debris out of your kayak whether its on the roof of your car or stored in your backyard. Made with marine grade coated polyester material which is a lighter alternative for the cockpit seal cover. A tether hook and the hull strap security feature keeps the cover attached to your boat while driving or in high winds. Rim grip technology keeps the cover in place. Adjustable bungee cord rim attachment keeps the cover from falling off or collapsing due to water weight. Double-stitched seams for durability. Available in Stock Cockpit Sizes: 1.2 thru 7.0. Use the Seals database to determine the size of your kayaks cockpit.