Madeira Aerolock Thread is a strong, premium, core-spun polyester serger thread. It holds it's vibrant colors even after years of laundering. Aerolock thread is composed of 2-ply, core-spun thread and is suitable for use in your sergers needles and loopers. Like all Madeira thread, each cone undergoes extensive quality testing to ensure you have the best serging experience. Each spool stands approximately 6" tall.
There are 48 beautiful colors to choose from, and each spool contains 2,000 yards (1828 meters) of premium 125 weight serger thread.