. MP3 player case with armband . Adjustable velcro strap to fit almost any wrist size . Made of Bamboo yarn and neoprene . Let you carry MP3 easily, whatever you are biking, jogging or walking . Minimum quantity are 600 pieces . Bamboo yarn can absorb humidity and deodorize . Bamboo yarn can resist static electricity and electromagnetic wave . Custom design are welcome | 
