1x 10 metres Stretch Magic Elastic Cord 0.5mm. Or .019 " by 32 feet. Crystal clear, strong elastic jewellery making cord for use for speedy bracelets, rings etc. Knot to secure and add a drop of glue or clear nail varnish for extra security. The instructions on the packaging state that you can also use crimps, but you will need to be careful to not cut through cord when pressing them onto the cord. The 0.5mm size will pass through 4mm crystals and other small beads.