Glominex Invisible Day Glow in the Dark Paint - 1 oz Tube - Purple Glowminex invisible day glow paint is fun for everyone! It appears invisible in daylight but turns purple when it is glowing It's non-flammable and acid-free Sold individually Each tube contains 1 ounce (30 mL) of paint Caution: This product is not recommended for children under 3 years of age