Inexpensive bobbin thread and Style L bobbins.
Inexpensive 60 Weight bobbin thread and time-saving Style L bobbins.  
Code Description Image Price Stock  
BOB00060WHIT39Pf Bobbin Thread - 60 Wt - White - Polyester - (Fil-Tec #13572) - 3900 Yards $6.49 39
BOBM016WHIT001PLS Bobbins - Style M - Size 16 - White (Magna-Glide) - Polyester - Sideless - 10 Pack $6.89 4
BOBL015WHIT144MCn Bobbins - Style L - Tex 15 - White (Ultra-Mags) - Polyester - Magnetic Core - Box of 144 $48.99 6
BOBL015WHIT144PSn Bobbins - Style L - Tex 15 - White (Ultra-Bobs) - Polyester - Paper Sides - Box of 144 $42.09 5