Product Name: pre-wound bobbin thread
Price: US$
Detail: --- Pre-wound embroidery bobbin thread.
---Used for computer embroidery & sewing below thread, these are an excellent value for embroiderers looking to save time. it realized to consistent draw-off tension from beginning to end through reduces friction, static charge. It means less downtime and protect the thread from breaking on today's high speed equipments.

---Size / Length:

L-size: Cardboard sided or Sideless with core(125m). Plastic Sided with core(100m)
A-size: Plastic sided with core(105m).
M-size: Sideless with core(230m).

--- Material :

Polyester filament 70D/2 - High tenacity yarn.
Polyester Filament 75D/2 - Mid tenacity yarn.
Nylon filament 210D/2, 210D/3, 420D/1, 630D/1
Spun Polyester 60s/2
--- Packing:

144pcs /white box, 40box/carton.