Package & Size--Package include 1 roll black waxed cords, about 174.97 yards/160m; Size about 0.3~0.4mm in diameter. Extra long size is enough to meet your daily use. Well-Waxed--Made of high quality waxed polyester cord, the twist threads are smooth in surface and strong in quality. Making it easy to tighten the stitches. Using Tips--When finished knotting, you can slightly burn the tip of the cords with fire to make them melt together so the knot will never come loose. Ideal for Crafts--These cords are ideal for all your jewelry making needs. they are not easy to break, snag, unravel or fray as they have been waxed. This keeps the polyester thread together for all arts and craft work. Multiple Uses--The waxed cord can be used to make necklaces, bracelets, earrings, clothes and cording. Also suitable for upholstery, leather work and stitching, binding, piping, etc.