This Band is ideal for the active person. 
The UV warning material last a season, the ions last a lifetime. Band will turn from white to purple under UV exposure. It's a reminder, you need to wear sunscreen, or any other protection you choose if you are sun sensitive. 
3000 ions from Tourmaline and Germanium, Far Infra Red rays 
work energy enhancing and anti EMF.
The bands fits from small to large wrists. If the end is too large you can trim it off. The active components are in the center of the band.