For marine applications, gazebo covers, patio furniture covers, tarps, canopies and campers, Top Notch 1S is a 100 percent solution-dyed polyester fabric with a clear urethane back coat. At 60 inches wide, 7.4 oz. per sq. yd., it offers exceptional strength, durability, water resistance, tear resistance, abrasion resistance and UV- and mildew-resistance. Because it is solution-dyed, color rub-off is not an issue.