The Gütermann Cosetudo 250m blue 665 717878 sewing thread guarantees strong stitching and a very elegant finish for your fashion and home projects. The 250-meter spool of premium polyester has a consistent diameter to prevent tangling and needle breakage. The sky blue 665 shade offers a soft and clear feel, making it the perfect color for summer dresses, fine shirts, and baby clothes with delicate finishes.