Medium waxed 100% polyester cord is much more durable than cotton cord, these cords will not stretch, break or fade easily. The thickness is approximately 1.5mm and this cord will fit many small holes! 3-ply cording, which means you can split the cord into three tiny cords since the thread is tightly twisted. . Perfect for: Macrame projects, Friendship bracelets, Knotted jewelry, Scrapbook making, and more.