GÜTERMANN Maraflex stretch sewing thread — Blue Butterfly, 150 m. Made with 100% polybutylene terephthalate (PBT), this flexible thread supports stretchy seams on jersey, knitwear and fabrics with elastane. The Blue Butterfly colour is a distinct option for matching or contrasting visible stitching on stretch garments. Product sewing guidance recommends reduced thread tension and using Maraflex as both upper and bobbin thread.

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