Introducing StyleTechCraft’s color-changing vinyl product line. This includes the FIRST EVER temperature change craft vinyl that changes color based on temperature. Our cold films, which change color when exposed to cold temperatures, include: Cold Blue (clear to blue)Cold Pink Purple (pink to purple)Cold Pink changes (clear to pink)Cold Purple (clear to purple)We also have one hot temperature color change vinyl: Red Hot Yellow, which changes from red to yellow when exposed to heat.