Uni-Flexx is a fine elastic strand. The strand may be divided into even smaller strands if desired. Uni-Flexx can be used for as a body wrap,legs or skirts. Many like to use Uni-Flexx as a floss replacement because of it's easy handling qualities. Suitable for bodies of small nymphs, larva and pupa. Uni-Flexx retains the original colour when wet unlike many other materials.