Made from 6.25 oz synthetic polyester, this Trailerite boat cover is manufactured for a specific year, make, and model of boat, providing the best in fit and trailerability. These covers feature four-ply folded double stitched seams, 1" heavy-duty UV-resistant tie-down loops sewn into the hem, fold and back-stitched reinforced corners, and rot-resistant UV-stabilized thread. Sewn-in reinforcements help protect all potential wear points. Large diameter nylon draw rope in the hem. Patented rope lock lets you quickly tighten and loosen the draw rope. All covers are shipped from the manufacturer within 5 days of receipt of the order. This acrylic-coated polyester fabric also provides excellent water repellency and a superior strength-to-weight ratio.