Poolin Prewound Bobbins Richword Selected 144pcs, Size A (Class 15 / SA156), 75D Polyester Bobbin Thread, Plastic Sided, for Single Needle Embroidery & Sewing Machines, White

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About this item

• Fits Most Home Single-Needle Machines (Size A / Class 15) : Type A / 15J / SA156 (0.79" × 0.47"). Designed for most household single-needle embroidery and sewing machines.
• Bulk Value for Frequent Use : 144 prewound bobbins per box — ready to use, no winding required. Perfect for frequent embroidery, small businesses, or long projects where efficiency and consistency matter.
• Clear Plastic Sides for Easy Monitoring: Durable double-sided clear plastic bobbins allow you to see remaining thread at a glance.The plastic sides help protect bobbin thread from oil and moisture, keeping performance consistent over time.
• Smooth Tension. Cleaner Stitch Backs.75D bobbin thread helps reduce bulk and supports consistent stitching with fewer tension issues and less thread buildup.
• OEKO-TEX Certified — Trusted for Long-Term Use OEKO-TEX certified materials for safety and reliability. Built for stable, tangle-free performance in everyday embroidery and sewing work