100% Waterproof Boat Cover Heavy-duty fabric deliver better waterproof effect, added waterproof strips in double stitch overlapped seam strengthen water proof protection. All seam areas are triple folded and double stitched make your center console boat cover more anti-aging, scratching and tear resistance, extending outdoor life. Heavy Duty & Marine Grade 4-Layer Thickened Fabric, made of 1300D marine grade oxford fabric + 100% waterproof coating + Anti-UV coating + PU Coating. Maximum sun and heat protection to protect your center console boat cover (No fade problem). We have thickened the PU coating, which has a water resistance standard of 9600pa. Provide maximum protection against sun, rain, dirt and pollution all year round in water or on land while storing and trailering.