The King sized cone is 5000 meters, the Mini cone is 1000 meters. Not all colors of Glide thread have a bobbin. If available: Size M bobbins are for longarm and industrial machines and are available in packs of 10 each. Size L bobbins are used in domestic sewing machines (not a drop in bobbin model) and are available in packs of 20 each. Size M bobbins are available by the each and may be combined as mix & match if you call for assistance.