Grey, Storage, Travel, Mooring Boat Cover for SEASWIRL Spyder 174 I/O 1988 BOAT COVER FOR SEASWIRL SPYDER 174 I/O 1988 , STORAGE, TRAVEL, MOORING NEW, IMPROVED TECHNOLOGY: Heavy-Duty, Breathable, Water repellent, 600 DENIER Woven Polyester Marine Canvas for Durability and Weather Resistance. Our Cover is Multi-Functional and Can be Used for Storage, Highway Towing / Trailering, and Mooring Your Boat. Double stitched interlocking seams with rot-proof thread. Non Scratch Reinforced Corners and Middle Section of the Cover. Integrated Buckle and Strap System for an easy Fitting and Trailering. Comes with convenient Storage Bag and Trailering Straps. Reinforced elastic bungee shock cord sewn into the hem for snug fit. Air Vents to Prevent Wind Lofting During Trailering and to Allow Air Circulation to Prevent Mold and Mildew. 5 YEAR WARRANTY. Color: Grey