Flex vs Flex

Uni-flexx

Uni-Flexx is a fine elastic strand and comes spooled in thirteen colours. 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.

Flexi Floss

Flexi Floss/Floss Flex is a crinkly spandex material that is stretchable yet handles like floss.  Great for ribbing, wiggly legs, antennae, segented wrapped midge bodies, and more.  Flexi Floss/Floss Flex is easy to use and adds a little extra shine to your flies.  Best of all it doesn't break down like rubber does, so your legs will last longer.

Spanflex

Spanflex is a very strong, extremely stretchable semi-translucent material with many varied used for the fly tier. Great for tails, feelers, ribbing,legs and bodies.

Life Flex

This spandex material is oval in shape and wiggles like crazy in the water when tied in as legs. Also can be wound like floss for bodies on dries or nymphs


Legs Alive

Easy to use with over 200 strands of 8" leg material...great colors and easy to dye yourself! Ties even small flies as body wrap, midge larva & "Buzzers"

One flex product may not be EXACTLY the same as the other, but i'll bet they can be used interchangeably.