Package Include: glow in the dark pigment powder x 12 bags; UV lamp x 1; 12 different colors: Purple / lemon yellow / orange yellow / green/pink / watermelon red / orange red / golden yellow / yellow green / sky blue / blue / turquoise. You can use UV lamp to charge the glow powder. The longer the charging time and the higher the light intensity of charging, the brighter and longer the glow will last. Advantage: Safe and Non-toxic Great Glow Effect Long Lasting & Bright Easy to Mix