Sylvan Marine by Sylvan Mirage Fish 8520 4-Point Boat Covers
Semi-Custom Fit Boat Covers
ENDURACover Semi-Custom Covers
- Fits: Pontoons (with bimini tops and rails that partially enclose decks) 21'
- Fits years: (2010 - 2016)
- Available Fabrics
- Supreme Aqua Shield
- Material: 100% Polyester
- Weight: 7 oz. solution-dyed Polyester, 600 denier
- Warranty: 7 year warranty
- Custom Boat Covers are patterned and tailored for the specific make, model, and year of the boat.
- Semi-Custom Boat Covers are made by boat style to fit a variety of models.
- Outboard (O/B) - Removable engine mounted to the transom of the boat.
- Sterndrive or Inboard/Outdrive (I/O) - Permanent engine mounted on stern of boat with portion of engine (the outdrive) in the water.
- Inboard (I/B) - Permanent engine mounted in the center or stern of boat with only the propeller shaft exposed to water. Inboards should use the I/O cover.