This is high-end waist bag made of  elastic 
material  for holding  mobile phone , water bottle , keys.. 
with glow and flashing effect , driven by  button
batteries, lightweight ; Flashing  colors: red, green, 
white, pink, orange...; good for fashion , running, 
cycling and other sports safety; light emitted can be  
seen from 300 meters away  in night  ; rain proof;
the LED part can be detached, making the bag washable .

It uses 2 pcs of CR2032 batteries,  change of batteries 
is very easy;Material:  fabric/ nylon  plus LED strip 
inside ;