Because of their width, they are more comfortable to use than conventional rubber bands. Cost much less than other exercise equipment sold with claims of achieving similar results. Portable and versatile with virtually unlimited uses. Color-coded levels increasing in difficulty from pink to silver. Can be used to tone and strengthen all the major muscle groups for upper body, abdominals, and lower body conditioning.

Difficulty Levels:
Pink - light resistance
Green - medium resistance
Purple - heavy resistance
Silver - extra heavy resistance