Maxi Cover Quality Water Proof Boat Cover (20-22ft) Don't be mislead by cheap imitation covers which are water repellent but not waterproof. This cover will suit 20-22ft boats half cabins or runabouts. The cover has 7 pull-down straps with elasticised and reinforced ends. This item is brand new and comes with its own carry bag! Fabric breathability: excellent UV resistance: good These boat covers are made of 420 denier polyester silver reflective material, with high quality stitching and craftsmanship Protects your boat from sun, smog, rain, ice.