Aqua Glow in the Dark & UV Powder; 100-150 Microns (1 OZ) Bright Aqua Glow in the Dark Powder + UV Reactive 100-150 Microns (XLarge Particle Size) + Long Glow 30-40 Hours Strontium Aluminate + Europium & Dysprosium (Safe New Technology) Not-Encapsulated + 535C/1000F Heat Resistant + 10-20 Years Glow Mix with Most Clear Mediums