40lb doughnut shaped wing made from 1000D Armorshield Cordura. New oval shape wing design distributes the buoyancy more evenly around the profile of the wing. Curved sides prevent air migration ensuring maximum stability in the water. High profile dump valve placed in the optimum position allows air to be dumped quickly and easily without breaking trim. Foldable centre section allows for easy packability for travelling. 2 large drain grommets and centre position mesh drain panel. Embroidered branding. Inner air cell: 22mil (.022) thick black urethane. Zipper: heavy duty YKK #10 plastic zip and slide. Made to be used with a twin setup.