... Pre-wound bobbins for embroidery application. Color: white & black Model: L, M, A We generally supply polyester pre-wound bobbins for ... application.Material: Bright PET (High tenacity & Medium tenacity) 70D/2, 75D/2, 60S/2Available in: Sideless bobbin, cardboard sided bobbin, plastic sided ... : white & blackPackage: 100pcs/box, 144 pcs/box Cardboard sided type L 60S/2 prewound bobbin