Warm notice : As the size is measured manually, there may be 3-5cm error, it is recommended to consider purchasing! If the size of the vessel is just in line with the size of the shop, it is recommended to take a larger size Features: Made of silver coated heavy duty marine grade waterproof 300D Oxford fabric material Designed for extra durability and all-weather protection, won't shrink or stretch. Fabric coating technology for maximum water resistance and repellency, UV protection, mildew resistance Easy fitting and quick release buckle strap system against strong wind. Elastic hem with durable double stitching, designed to wrap tightly around your boat for added security. Free storage bag and windproof strap includedIt is easy to carry. Size: 5 sizes offered: 11-13FT:420*270cm 14-16FT:530*290cm 16-18FT:570*300cm 17-19FT:600*300cm 20-22FT: 700*260cm Specification: Color: Silver Material: Reinforced Waterproof 300D Oxford Fabric Size:11-13FT 14-16FT 16-18FT 17-19FT optional Package Size: 40 * 35 * 10/15.75*13.78*3.94in Package Weight: 880g/1.94lb Package list: 1 x Boat Cover 4 x Adjustable of Quick Release Buckle Strap 1 x Storage Bag Note: Please do not pull the strap too hard while using it to tie the cover up Please measure the length and beam (width) of your boat Beam width: Measure the widest point of your boat Center-line length: Do not measure up and over windshield Others Outboard Boat Cover please click this photos