EmpireCovers Silver Shark Boat Covers Made from a 150 Denier Polyester material 100% waterproof (not just resistant or repellent!) Breathable to prevent the growth of mold and mildew Reflective UV material for sun and heat protection which protects your paint and upholstery from fading Trailerability using the "QuikSnap" strapping system for fast and easy trailering