Harry Potter Plastic Color Changing Tumbler - Hogwarts Crest

The Harry Potter Plastic Color Changing Tumbler - Hogwarts Crest is something you will love to flaunt if you are a Potterhead. It displays the Hogwarts crest and a vibrant yellow shade. This plastic tumbler slowly changes its color as it is filled with any drink. Use it to enjoy cold drinks, cocktails, mocktails and more any time of the day.