Tired of having strands of floss separate and slide down the hook bend? An exclusive offering of UNI-Products, UNI-Stretch, will solve your problems. This stretch nylon material is easy to wrap, stays in place, and makes excellent underbodies as well. The White takes coloured markers very well so you can customize your patterns. The 30-yard spools come in 20 colours and the 20-spool combination package (combo) solves all those difficult colour choices.