Can I use these in a top-loading machine?

No. These cardboard-sided bobbins are for front/side loading with the bobbin upright. They are not for top-loading/drop-in machines with the bobbin lying flat.

Will Size L fit every machine from a listed brand?

No. Bobbin size can differ between models of the same brand. Check your exact model in the compatibility chart in the product photos, then confirm the loading design.

What comes in the box?

144 black prewound bobbins. Approx. 115 yd (105 m) per bobbin; 16,560 yd (15,142 m) per box. Thread lengths are approximate.

What do the thread labels mean?

75D/2 filament polyester is also labeled #120 / approx. 60WT; nominal Tex 17, Denier 150. These are approximate commercial labels. The material is polyester, not cotton.

Why choose filament bobbin thread?

It holds more thread per bobbin than our Size L Spun Polyester options. Its very smooth surface helps the embroidery top thread tighten evenly and lie flatter. Test tension on scrap fabric first.

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DOUBLELIN Size L Prewound Embroidery Bobbins, 75D/2 Black, 144 Count

Product ID: 137880088

Details

Brand
DOUBLELIN
Color
75D/2 Black
Item Length
115 yard
Item Weight
12 ounces
Manufacturer
Doublelin
Material
Filament

📦144pcs Bulk Pack

🧵75D/2 Polyester Thread

⚙️Compatible with 10+ Major Brands

Description

🧵 Elevate your stitching game with prewound perfection—because every thread counts!

GENEROUS BULK SUPPLY - 144 bobbins per box—stay stocked and never pause your creative flow.
EASY TENSION ADJUSTMENT - Weight 60 thread requires minimal tension tweaks for flawless machine performance.
UNIVERSAL COMPATIBILITY - Fits Babylock, Bernina, Brother, Juki, Singer & more—one box, endless projects.
OPTIMIZED THREAD STRENGTH - 75D/2 filament polyester with Tex 17 and Denier 150 for smooth, durable stitching.
PREMIUM PREWOUND PRECISION - Super quality black polyester thread, ready to sew—no winding hassle.

The DOUBLELIN Prewound Bobbin Size L offers 144 high-quality black polyester bobbins (75D/2, weight 60) compatible with leading sewing machine brands like Babylock, Bernina, Brother, Juki, and Singer. Designed for seamless integration and durability, these bobbins provide a ready-to-use, bulk solution for professional and hobbyist sewers seeking efficiency and consistent stitch quality.

Specifications

ASIN	B07STJ1GB7
Best Sellers Rank	#134,098 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #424 in Bobbins
Brand Name	DOUBLELIN
Color	75D/2 Black
Customer Reviews	4.6 4.6 out of 5 stars (1,071)
Item Highlight	75D/2 #120/60WT, cardboard sides, front/side loading, compatible with Brother, Tajima, Ricoma, Baby Lock (selected models)
Item Length	115 yard
Item Weight	12 ounces
Manufacturer	Doublelin
Manufacturer Part Number	P9011000544
Material Composition	Polyester 100
Material Type	Filament Polyester
Model Number	P9011000544
Product Care Instructions	Machine Wash
UPC	719243599362
Unit Count	49680 Feet
Warranty Description	6 months warranty

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