UV Color Change Beads

These amazing beads detect UV light by changing color. 1.The stronger the UV radiation present,the quicker the color change and the deeper the color. 2.They contain a special pigment that reacts with UV light to changes them from off-white to either:purple,red,orange,blue,yellow. 3.Some super solar magic!!!Once indoors ans away from the sun's UV light the beads can change back to off-white. 4.They can change color thousands of times. 5.You can make it into UV Bracelet,UV necklace,UV anklets,ect.