New ThreadNanny 3000mts Extra Large Cones BLACK & WHITE Spools of 2-PLY Polyester Sewing Quilting Serger thread 10 X-large Cones of High Quality BLACK and WHITE Sewing Quilting Serger Threads High Quality 2-PLY 100% SPUN Polyester 40wt. Each Spool is 3000 Meters (3300 Yards) Good for any home or Commercial Machine Best Quality - Will not Break at High Speed Machines