THERMOCHROMIC LIQUID INK
▸ Reversible Cold & Hot Reactive low viscosity thermochromic ink
▸ This is the most popular color combination for picture/secret messages reveals when ambient temperature is between 75°F/24°C to 80°F/27°C (Escape Rooms)
▸ Could be airbrushed or painted on Paper, Canvas, Ceramic, Plastic, Metal, Wood, Glass and many more surfaces
▸ The airbrushed object may change color with hand touch
▸ Due to higher outside temperature at summer time you may receive this thermochromic ink in gray color. Place the container in a refrigerator to turn the ink's color back to black
▸ High quality NON-TOXIC product