White UV/Glow in the Dark Pigment Powder - Medium 30-40 um-30g Excellent general purpose UV glow powder. Heavenly white charges easily and glows for 8 hours. Strrontium Aluminate with Europium & Dysprosium Resistant to 1100F or 600C 100% Reliable, non-toxic & environment friendly Techno Glow Products is Trusted Around the World for the Brightest & Longest Glowing Powders & Paint | 60 Day Product Returns