ThreadNanny PREMIUM 50 Cones (1100 Yards Each) of Polyester Embroidery Threads for for Brother Babylock Janome Singer Pfaff Husqvarna Bernina Machines From Set 1 PREMIUM QUALITY *** 50 Cones of Polyester Embroidery threads of 1100yards per cone, 40 Weight High Strength for high Speed Embroidery, Bright Colors 100% Colorfast, No running in normal Washing Good for any home or Commercial Machine Will not break in High Speed Machines. Comes with color conversion chart.