Our Glow-In-The-Dark Collection is a fun assortment of 30 earrings, as shown, each of which glows in the dark! Detailed application instructions are on the back of each Earring Collection package. All of our earrings are made with natural, vegetable dyes and are safe for use by children. Earrings can last up to a week and can be removed with baby oil or rubbing alcohol. For extended wear, avoid contact with oil or chemical based lotions or household products.