In season maintenance is easier and faster as fiberglass and gelcoat will stay cleaner longer.”. ,”LONGEST LASTING SHINE AND INDUSTRY LEADING DURABILITY: Collinite 885 Heavy Duty Fleetwaxs ultra endurance formula leaves behind a high gloss carnauba shine, provides 7-10 months of real-world durability and water repellency preventing premature oxidation, fading and discoloration.”.