This product has 4 sizes, please confirm the size you want before buying 11-13 feet: 420 X 270 cm 14-16 feet: 530 X 290 cm 17-19 feet: 600 X 310 cm 20-22 feet: 700 X 320 cm Round Protection: (Waterproof and Corrosion Resistant 210d Polyester + Waterproof Pu Coating + UV Coating) with Double Stitched Seams, Front and Rear 3 Pieces Corner Reinforcement to Protect Your Outboard from Scratch, Dust, Rain , snow and UV damage Water Resistant: 210 Denier Marine Grade Polyester and Excellent resistance to damaging weather elements such as heavy rain, snow, wind and UV rays. More anti-aging, scratch and tear resistance, prolong outdoor life SUPER WATERPROOF PERFORMANCE: Thanks to the excellent oxford and our special textile process, the cover can withstand water pressure up to 1500 Pa. In addition, a double-layer waterproof PU coating is added to the inner layer, and the seams are equipped with waterproof strips, which completely solve the water seepage problem of other similar products. Perfectly keeps your boat dry even during heavy rain or snowstorms Protected & Non-Fade: Our boat covers are anti-ultraviolet, anti-aging and more, which can protect your boat from sun, wind, dust and other natural elements, keep your boat in good condition all the time. Safe Locking Way: Our boat covers are equipped with adjustable straps (made of high-density material) and high-strength quick-release windproof buckles, allowing you to conveniently lock the boat cover on the boat and prevent it from being blown away. Elastic bands around the hem ensure a snug fit and provide 360 degree protection for your boat, perfect for trailering and outdoor storage.