let's resin 13 colors glow in the dark pigment powder, epoxy resin luminous pigments for slime,nails,epoxy resin,acrylic paint,fine art and diy crafts, 0.35oz each let's resin <b>description:</b><br> <br>the glow powder is lighting when absorbing light. you need to ‘charge’ the pigments with a high lamp or sunlight for a longer time if you want to see the long luminous in the dark. <br>compare to other colors, yellow-green, blue-green, and sky-blue powders will be brighter. <br><b>package included: </b><br> 13 color glow powder