BEST RESULTS - Great Glow Powder = Great Glow Results – Brightest intensity and longest lasting luminescent glow pigments - Made with Premium Strontium Aluminate modified with Europium & Dysprosium and a special encapsulation process designed for Safe Use in ALL mediums – not just oil based mediums like other glow in dark powders BRIGHT GLOW – Our glow in the dark pigment powders have a slightly larger particle size producing up to 2x longer lasting glow compared to most competitor’s powders and glow best when charged in direct sun or with UV lights SO MANY USES - For use in all Transparent and Clear Mediums; Epoxy, Resins, Acrylic and Oil Paints,Nail Polish, Acrylic Powder, Gels, Slime, Glue, Gel Candles, Lacquer, Powder Coat, Plasti dip, Silicone, Masonry Sealer, Polyurethane, Plastics, Clay, Rubber, Fabric Paint, on and on EASY & SAFE – Just add to you preferred medium and have fun Made from naturally occurring, Non-toxic, non-flammable and non-radioactive alkaline earth elements - these are far superior to zinc sulphide powders. Do not ingest or inhale LONG LIFE – Recharge with light many, many times as these glow powders will last 20 years or as long as the medium material they are used in The Avid ColoristThis variety pack includes 6 Fluorescent glow powder colors! Fluorescent in daylight and colorful glow in dark. Each color is 15 grams of encapsulated Premium Strontium Aluminate based glow powder packed in convienient resealable zip bags.Appearance for fluorescent colors:NAME: Appearance Daylight/ in Dark BRILLIANT BLUE: Fluorescent Blue in daylight/ Blue Glow in darkBRIGHT PURPLE: Fluorescent Purple in daylight/ subtle Indigo Glow in darkBRIGHT PINK: Fluoresent Pink in daylight/ bright Red-Orange Glow in darkSUNSET ORANGE: Fluorescent Orange in daylight/ bright Yellow-Orange Glow in darkSUNSHINE YELLOW: Fluorescent Yellow in daylight/ bright Yellow-Green Glow in darkLIME GREEN: Fluorescent Green in daylight/ bright Green Glow in dark NOTE: Purple needs bright daylight, direct sunlight or 390-400nm UV blacklight to charge and glow brightlyTIP: Want great results? Always make and try small test samples before making your intended project.For use in all Transparent and Clear Mediums; Epoxy, Resins, Acrylic and Oil Paints,Nail Polish, Acrylic Powder, Gels, Slime, Glue, Gel Candles, Lacquer, Powder Coat, Plasti dip, Silicone, Masonry Sealer, Polyurethane, Plastics, Clay, Rubber, Fabric Paint, on and on....Glow Powder Details:Glow Time: up to 12 hoursMaterial: Strontium Aluminate doped with Europium and DysprosiumProcessing: Encapsulated particles. Special processing to provide good results in all mediums.Particle Size: 50-75um, Purple is 30-50um. Larger particle size = Brighter and longer glow. These particle sizes are the largest that can be sprayed such as with an air brush.Heat Resistance: 520 F (not for use in glass making or fired glazes)