Ito Roku Silk Thread 15 Colors SetThis silk thread set is made by Ito Roku, a Kyoto based thread maker producing silk and cotton threads since 1871. With a deep respect for their heritage, they continue to uphold their commitment to quality craftsmanship. This is their thickest silk thread, ideal for button sewing and buttonhole stitching. It can also be used for embroidery, sashiko, and knitting. The set includes 15 vibrant colors and comes in a beautifully designed original box.