. MP3 player case with armband . Adjustable velcro strap to fit almost any wrist size . Made of and Bamboo yarn 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 . Bamboo yarn has been certified by Taiwan Industrial Technology Research Institute .Custom design are welcome | 
