TOUCH ME & DYE Color Changing Mask- Blue Skies Our non-medical grade masks change color with body heat and surrounding air temperature. ...videos on IG & byNYTE.com Check out our Color Changing T-Shirts! - heat activated - constantly changes color (blue to white) - adjustable - reversible - 100% jersey cotton - hypoallergenic non-toxic fabric - machine wash & dry - laundry bag included * PRICE FIRM * Must wear mask to change color. If not wearing, only changes color with higher heat. (M)