Dancers Dozen (Resistance Band Training Kit)Dancers Dozen Gaynor Minden Fitness Training Kit Who better than the physical therapists at NYC Ballet when it comes to intelligent cross training for dancers? Thirteen dancer specific exercises that they devised to help you increase your strength and flexibility. Comes with two different strengths of exercise bands (thera band) and a nifty, flip card, illustrated instruction booklet all in a pouch that fits perfectly in your dance bag. The Theraband