ﾃ｢ﾂ慊 12 Pcs package. (60 pcs Package available under Smartneedle). Keeps your bobbins organized on top of color matching thread spools. ﾃ｢ﾂ慊 Compatible with Type L, Type A (class15), M bobbins.;ﾃ｢ﾂ慊 Fits most brands of home embroidery and sewing thread spools,(not intended for large commercial or jumbo spools);ﾃ｢ﾂ慊 Made of quality silicone that adjust to different thread spool diameters, fits on spools openings from 0.25 (6mm) to 0.5 (13mm);ﾃ｢ﾂ慊 Wind thread twice over post before snapping bobbin to prevent unwinding. Colorful and functional!;ﾃ｢ﾂ慊 MAKE SURE YOU ARE BUYING OUR PRODUCTS THROUGH Smartneedle.inc (Sold by) for complete WARRANTY!