All the threads are orderly organized in the Stackable & Hangable Clear Plastic Storage Box. ★ Multi-purpose: 600M(660Y) each spool. Single-Ply yarn is 50 weight, and our cotton thread is 3-Ply twisted bonded ( the actual weight is 30WT = Tex 33 for three plies) can be widely used for quilting, serger, piecing, machine sewing, hand sewing, heavy machine embroidery and light hand embroidery etc.
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