Braided of clean, high-tensile-strength polyester, this polyester cord resists acids, alkalies, and moisture. The ends can be fused to prevent fraying. This polyester rope is ideal for drawstrings and in hems of synthetic tarpaulins. It's popular for boating and awning line. 1/8-inch Solid Braided Polyester Cord #4 comes in a 500-foot roll.