Length: elastic string comes with 100m feets per roll. ideal for bracelet making, jewelry making, beading, necklace making and other art craft projects. Thickness: The elastic string is approx. 0.8mm/0.03inch in thickness. It is easy to tie knots and the knot is strong and small to make your beads secure and you can hide the knot easily. Material: This bracelet string is made of elastic fibre, which is sturdy for use and beautiful looking. The stretchy thread is great for beading projects. Easy to Use: Our elastic stretchy cord is easy to tie knots and to bead with your hands or with the bead wire. You can also bead with two cords to making your jewelry even more durable, yet no difficulties of tying any knots while beading. Wide Application: The elastic cord is perfect for bracelet, necklace, bead weaving and other jewelry craft projects. Especially fit for using with seed beads, gemstone beads, glass beads and other beads for jewelry making.