The RockBand Micro can be used for strengthening muscles and activating muscle groups before activity as part of a warm up. The RockBand Micro comes with a booklet outlining a series of upper and lower body exercises. For specific, individual advice, consult your healthcare or fitness professional. Ingredients Polyester, Nylon, Cotton,Latex Directions Follow the enclosed instruction booklet for a series of upper and lower body exercises. The RockBand Micro can be used for many different exercises – please consult your healthcare or fitness professional for specific advice if you have any current or previous injury.