Using Opelon Stretch Jewelry Fiber Cord is a quick and easy way to make bracelets in a flash! The stretch cord makes bracelet sizing unnecessary, basically one size fits all. It's also super quick to create stackable fashion bracelets or sports team themed bracelets in the wink of an eye. Opelon Stretch Jewelry Cord is a flat fibrous cord that has surprising stretch and resiliency. Unbelievably strong, easy to knot and doesn't require crimps! Opelon's flat structure gives it greater flexibility than other stretch cord options and will not droop over time. Latex free. Made in Japan.