Make a colorful impression on your clients when you make this mood straw as a part of your next promotion. These reusable FDA-approved silicone straws are BPA-free. Immerse in a cold or hot drink, the color of the straw changes with the drink's temperature. You’ll be able to drink everything from water to milkshakes comfortably. Any artwork can be printed on, including animals, holiday designs, stripes or any other designs.