This X-tra performance thread combines advanced technology. The unique manufacturing processes applied to the polyester-wrapped, core-spun construction creates a thread that provides enhanced seam appearance and makes sewing trouble-free. Smooth and strong, it sews perfectly on all machines. This assortment comes in a peggable box with four 250 yards spools of the bestselling thread, containing one color family. There are 10 color families for a well-rounded selection. Each sold separately. Imported.