Dig It In the Sun™ UV Awareness Sensor Dots use breakthrough technology to radically improve your sun protection when paired with sunscreen. Incorporating a unique biopolymer layer that absorbs the sunscreen and reacts just like your skin when exposed to sunlight, the Dig It In The Sun UV (Ultra Violet) Awareness Dot allows you to better defend yourself from all skin types of sun damage. Great for all outdoor activities, all sports including water activities like swimming. Dig It In The SunTM UV Awareness (Sensor) Dot, when paired with your sunscreen, is a perfect addition to your sun safety kit. Safe for the whole family.