Waterproof, dustproof and purple outer line inflatable boat cover rubber boat protective cover boat fishing kayak boat coverDamage Resistant: Marine grade polyester with excellent UV resistance and very light weight; withstands heavy rain, snow, wind and other damaging weather elementsFull Protection: High quality boat cover, not easy to tear, fade, wet and cold crack, with elastic band sewn around the hem for a secure fit, providing full protection for your boatEASY INSTALLATION AND STORAGE: The adjustable strap tightening system provides easy installation and quick release, the cover is ideal for long-term storage, mooring and traileringMultiple Choices: This boat cover comes in seven different sizes so you can pick the one that's best for your boatRecommendation: The use of support poles is highly recommended to avoid water pooling in the center of the boat cover.