LA Linen 100% Spun Polyester Thread Serger 6,000 Yards / Pack of 1 / Slate Gray Direct from the Factory LA Linen ensures you are getting the highest quality item. To avoid getting second quality, damaged, or returned merchandise please make sure it is shipped to you by LA Linen. 6000 Yard Cone, 100% Spun Polyester Use for Serger, Overlock, Merrow, single needle etc. Color fast yarn dye The digital images we display have the most accurate color possible. However, due to differences in computer monitors, there may be variations in color between the actual product and your screen