Go ahead and get flashy! This Light-up Tumbler With Straw is both fancy and fun, so it makes the perfect Prom, Homecoming dance, or Winter Formal favor or keepsake for a wide variety of event themes. Made of sturdy clear acrylic, the 16 oz. travel cup comes with a matching lid and straw and features red, blue, and green LEDs that flash on and off quickly to produce a cool special effect. Add your choice of one-color imprint to the front to customize this tumbler to match your theme, school name, or special event. You can match this tumbler favor to everything from a fancy Hollywood theme (think paparazzi camera flashes), a cool neon 1980s or retro theme, or magical fairy tale theme. It even makes a great item to include in your high school store; students and staff will love it for everyday use. Replaceable batteries are included.