We have eight colors of UV (ultraviolet) fluorescent powder. Blue, Yellow, Green, Red, Magenta, Orange, Purple, and Pink.
You are purchasing 15 grams of Yellow UV fluorescent (neon) powder. This powder glows bright neon during the day or with the aid of normal daylight, and bright neon at night in UV black light.
For creative applications like nail polish arts, and craft ideas like making textile paints and inks for t-shirts or sneakers, etc., this is the best product.