On a 3000yd cone. Swirls, the newest inspiration in Maxi-Lock’s world of color, look great in a multitude of serging applications from home decorating to gifts, embellishments to quilting. Wherever your creative inclinations take you, Swirls will add flavor to your finishing and decorating ideas. Maxi-Lock Swirls also has a convenient thread display that holds up to 54 cones. Maxi-Lock meets the demands of serger sewing like no other thread, withstanding the high speeds and tensions that are unique to serging. That’s why Maxi-Lock is the best-selling serger thread!~