Sew Smooth - Polyester Filament Bobbins - 134yd - Size L - Magnet Side - White

100% Filament Polyester • Single Magnet Side • 134 Yards per bobbin • 144 bobbins per gross • Color: White • These bobbins are engineered with a unique feature, which makes the tension of the thread smooth and consistent as it comes off the bobbin. This gross of bobbins does not have the Midwest Textiles & Supplies logo on the box. Higher quality.