lets made as the indication with the ruler of levels of index. Wearing on the wrist to avoid long time staying under strong uv. So what makes it uv transfer ? The answer is the UV phosphor which usd uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level There will be a change from visible light to visible light, resulting in the changing color from light to dark. It become a uv silicone bracelet when the UV phosphor is put into the silicone mass and produce it a band. Different color of the bracelet has different meanings. Bbatman rubber wristbandand color white stand for making poverty history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift. active: Hephaestus, the God of fire, made her a gorgeous golden robe; Venus, the God of love, gave her the power to charm and seduce men; Hermes, the messenger of gods, taught her the skills of speech. Each of the gods gave her a gift. We can make a custom bracelet with pandora theme. Our professional designer will provide design. As Pandora is mythical character, the best bracelet should be glowing one. The glowing bracelet will glow green or blue after a absorb lignt of sun or lamp. The glow will last for about 3 hour and recoverbatman rubber wristband when absorb the light again. It is good item for night event like night walk, party or music show. The colorfilled text can be glow also. It looks amazing. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free.