Free box. These free Sundiwear stickers are pretty darn cool. You wear them outside and then they turn red after a certain amount of sunlight has hit them, thus letting you know it’s probably time to seek out shade or sunscreen.

http://www.sundiwear.com/parenthood/freePack.aspx

Sundiwear™ stickers change color to show you when it's time to reapply sunscreen!

Thank you! :)

fantastic find- thank you :)