hot unique product
1.used el light and battery box
2.belt,easy to change size
3.velcro

hot unique product

art name:el luminescence safety belt

size:uropean size.l--2xl

el light color:white,green,blue,orange,red.

belt color:deep green,black,coffee

application:climb mountains,bicycle racing.

advantage:comfortable,power is easy to charge(change battery)