Odyssey (previously Odyssey III) is a marine and outdoor fabric which is a 64" wide 6.5 ounce 100% woven polyester fabric. It has an acrylic impregnation-coating and an additional clear acrylic back-coat to enhance its water repellent properties. It is strong, lightweight, abrasion resistant, and dimensionally stable. It is a light weight fabric that provides long-lasting durability without the higher cost and weight of heavier fabrics. Excellent for boat covers, travel covers, grill covers, and more!