With Beadsmith Opelon Stretch Jewelry Fiber, you can easily create bracelets, necklaces, anklets, keychains, and other items. This stretchy, yet strong cord is more flexible than other cords and won't expand or lose elasticity over time. It's also latex-free, knots easily, and doesn't require crimps, making it an ideal tool for beginner jewelry designers and crafters. The cord measures 0.7 mm in diameter. - Beadsmith Opelon Stretch Jewelry Fiber - White, 100 mOpelon Stretch Cord, WHITE 100M .7MM -