This is a compact sail used for canoes and kayaks. It can be set up easily and folded quickly. It helps to catch the wind and increase the power. A great tool to take advantage of wind power to assist you in your adventure. Features: This is a compact sail used for canoes and kayaks. It features a central PVC forward viewing panel, nylon surface, cords and straps with carabiners attached to kayak. Lightweight and easily stored, deployed diameter is 108cm, folded diameter is just 39cm. Set up easily, folded quickly, internal spring frame, hand held operated. It helps to catch the wind and increase the power. A great tool to take advantage of wind power to assist you in your adventure. Specifications: Material: PVC + Nylon Deployed Diameter: 108cm / 42.52in Folded Diameter:39cm / 15.35in Item Weight: 403g / 14.22oz Package Size: 39 * 39 * 3.3cm / 15.35 * 15.35 * 1.3in Package Weight: 413g / 14.57oz Package List: 1 * Kayak Sail 1 * Storage Bag Notes: 1, Please allow 1 - 2cm (0.4 - 0.8") differences due to manual measurement, thanks. 2, The listing just includes a kayak sail and a storage bag only, other accessories are Not included in it.