This Glow-in-the-dark Wave Tumbler will receive glowing reviews at your school for its show stopping performance as a Prom, Homecoming dance, or Senior Party favor, school store item, or school fundraiser. Made of high-quality clear acrylic, the 16 oz. travel mug includes a clear lid, a straw, and a glow-in-the-dark insert that fits snugly between the double wall. Turn down the lights and watch it glow! Add your choice of full-color imprint to the insert to customize the cup to match your school or event. This glow tumbler makes a fun favor for a neon, glow, or 1980s theme event.