Lokai Ultraviolet Smiley Bracelet Large New Store safely When exposed to natural light, the Ultraviolet Smiley Bracelet transitions from blue to purple with smiley faces. Slide on style, stretches over wrist 10% of net profits are donated to charity White bead is infused with water from Mt Everest, black bead carries mud from the Dead Sea. Please note, the water in the white bead may evaporate over time as silicone is a porous material. **copied from website**