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New brothread Prewound Bobbin Threads Review: Ready-to-use bobbins for embroidery and sewing

New brothread 144pcs Type L Size (SA155) White Prewound Bobbin Thread Plastic Side for Particular Embroidery and Sewing Machines - 90wt
4.5
[Size L Compatibility]  Fits many commercial and home embroidery and sewing machines; check your machine manual before buying.
[Clear Plastic Sides]  Transparent sides resist machine oils and won't distort, ensuring smooth sewing performance.
[Soft Polyester Thread]  Spun polyester 60S/2 (90WT) feels soft against skin for comfortable sewing and embroidery.
[Organized Storage Case]  Clear plastic case helps collect, classify, and store bobbins for convenient organization.
[Quality Guarantee]  New brothread product backed by 100% quality guarantee for reliable performance.
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Sewing and embroidery accessories that cut preparation time with ready-wound bobbins for compatible machines, presented as a practical kit for hobbyists and small studios, New brothread Prewound Bobbin Threads. Users benefit from less fiddly winding and more time for stitching. Are these Size L bobbins the right fit for your machine and workflow?

⚡ At a Glance
  • Thread Quality: Spun Polyester 60S/2 (90WT) for a soft, smooth finish and consistent feed
  • Best for: Home embroiderers and small businesses wanting fast setup and reliable stitching
  • Not ideal for: Machines that require a bobbin size other than Size L (SA155)

Prewound Size L (SA155) bobbins come loaded with white 90WT spun polyester thread and clear plastic sides. Clear plastic cases and plastic-sided bobbins help keep bobbins clean and organised during storage and use.


Save preparation time – thanks to prewound Size L (SA155) bobbins

Bobbins arrive wound with Spun Polyester 60S/2 (90WT) so no manual winding is required before stitching. Size L (SA155) designation identifies compatibility with a range of commercial and home embroidery and sewing machines.

Immediate plug-and-play use reduces setup time for repetitive jobs and samples. Ideal for projects where rapid turnarounds or batch stitching are common.

Cleaner machine operation – with plastic-sided bobbin construction

Clear plastic sides resist distortion and do not absorb machine oils, maintaining shape and preventing contamination of thread. A transparent case design helps with visual sorting and storage.

Bobbins feed more reliably without greasy or swollen sides, lowering the chance of snags. Clear cases make organisation straightforward for multi-colour projects.

Soft, reliable stitching – thanks to 90WT spun polyester thread

Spun Polyester 60S/2 (90WT) combines fine thread weight with durable fibres designed for close-to-skin comfort and smooth needle passage. The thread construction minimises lint and breakage during high-speed embroidery.

Finished work feels soft against the skin while seams remain strong and consistent. Positive user feedback highlights minimal breakage and high perceived quality.

✨ The 4 Key Reasons for New brothread Prewound Bobbin Threads
  1. Prewound Size L (SA155) – Saves minutes per bobbin so projects finish faster
  2. Plastic-sided bobbins – Prevents oil absorption for cleaner thread feed
  3. 90WT spun polyester – Produces soft, comfortable stitching that resists fraying
  4. Clear storage case – Keeps 144 bobbins organised and easy to identify
📋 Technical Details at a Glance
  • Category: Prewound bobbin threads
  • Brand: New brothread
  • Size: L (SA155)
  • Thread Material: Spun Polyester
  • Thread Weight: 60S/2 (90WT)
❓ Frequently Asked Questions

Q: Do these bobbins fit my sewing or embroidery machine?

A: Size L (SA155) prewound bobbins are intended for particular commercial and home embroidery or sewing machines; users should check their machine manual and the product images for the precise dimensions and compatibility list.

Q: What is the thread made of and how fine is it?

A: Thread is Spun Polyester 60S/2 with a 90WT weight, described as soft and suitable for stitching that sits close to the skin.

Q: Are the bobbins durable and time-saving in real use?

A: User feedback highlights convenient pre-wound bobbins that save winding time and reports of strong thread with minimal breakage, indicating reliable everyday use.

🏆 Our Verdict

Suitable for home embroiderers and small studios that value speed and tidy workflow, these Size L prewound bobbins cut setup time and simplify storage. The combination of plastic-sided bobbins and 90WT spun polyester thread delivers clean feeding, soft stitching, and reliable strength. Expect a practical kit that reduces winding and keeps materials organised for longer-term use.