300D Oxford polyester fabric, with PU coating, UV resistance, and internal soft anti-scratch PP lining for superior protection. Excellent for full protection of the engine from the sun, water, and dirt when it is to be moved or stored. Covers the engine shaft and propeller. With nylon cord to secure the cover around the engine. #10 size zipper runs the length of the shaft and covers the propeller. Reinforced seams. Storage bag provided.