The product is a bulk lot of 188 spools of vintage Clarks overlock sewing thread cones in various multi-colors and varying amounts on the spools. Some are near full and others have very little left. Made of poly these spools are suitable for use with both sewing machines and overlock/serger machines. Ideal for crafters and seamstresses needing a wide range of colorful threads for their projects, this lot offers a diverse selection to add to your sewing supplies.