Bimini tops can make a real difference in your boating comfort, protecting you from direct sun and rain. They're easy to put up and take down for storage. Cotton Duck Inexpensive, but won't last as long as other fabrics due to UV degradation, and tends to leak. Vinyl The most popular choice because it's waterproof and will divert water to the sides of the top for runoff.
Vinyls range in quality from low to very high, and are easy to clean.
We feel that they offer the best value for colored biminis. Polyester tops are very strong and resist stretching so they retain their shape. They're more water repellent and abrasion resistant than acrylics, but will fade faster. It holds up well to UV rays and has exceptional fade resistance and strength. However, it has a tendency to stretch and sag, and is prone to leaking.