Our Magic Buddha Color Changing straws change color when they touche ice-cold beverages or desserts such as Boba, Floats, Milkshakes, soda, adult beverages or any other ice-cold drink . Made from reusable, dishwasher safe, heavy-duty plastic, this 9-inch straw is great promotional/branding item for Weddings, Birthdays Bar/Bat Mitzvahs, restaurants, bars, smoothie/juice bars or corporate event . Non-Toxic. BPA free. You will receive 20 straws, a mix of the following colors: Blue to Purple, White to Red, Gold to Green, White to Blue and Pink to Purple or can be ordered in one color. Bulk pricing available.