Cricut Heat Activated Color Changing Permanent Vinyl Roll BundleMake it change with Cricut Heat-Activated, Color-Changing Vinyl. This magnificent vinyl material transforms colors in temperatures above 88 degrees F (31 degrees C). Apply it to your favorite mug or bowl, then add something hot and watch the design change colors before your eyes. Choose from a variety of color combinations. Cricut Vinyl is designed to exceed your expectations - it's easy to weed and effortless to apply with no tunneling or bubbling. Even the most intricate designs separate with ease from the carrier sheet for worry-free application. For use with all Cricut cutting machines. Hand wash only.