Silkon® is a special heat-set nylon. Because of its exceptional durability and resistance to fraying, it can be used with abrasive stone or metal beads. Use lightweight thread for designs using small gem beads and cultured freshwater pearls. Color may vary from dye lot to dye lot.
Thread>Nylon>Browns / TansStringing Material>ThreadNylonBrowns / TansSilkon#1https://www.firemountaingems.com/itemdetails/h201081bsH201081BSThread, Silkon®, bonded nylon, lightweight #1, light brown. Sold per 20-yard spool.//image1.fmgstatic.com/images/p1081bsb.jpg3.033.03As Low As $0.07 per yard