Top Notch 1S 642 Tan 60-Inch Marine Topping and Enclosure Fabric is sold by the yard as a Marlen Textiles Top Notch 1S solution dyed polyester fabric with a clear acrylic back coat. Made from 100% solution dyed polyester fabric (600 denier), this 60-inch fabric weighs 7.4 ounces per square yard and is suited to marine tops and covers, gazebo covers, playground equipment covers, canopies, tarps, BBQ grill covers, patio furniture covers, and other outdoor applications. Its Top Notch 1S construction combines a clear back coat with water resistance, UV resistance, mildew resistance, and abrasion resistance for projects that call for a lighter-weight outdoor fabric. The official 642 style code and Top Notch 1S family help distinguish this material within the Marlen lineup, and it is backed by a 5-year limited warranty.