Bring in 2020 or celebrate the Class of 2020 in lights. Our clear plastic 2020 light-up eyeglasses feature built-in LEDs. Perfect for New Years Eve celebrations and holiday parties, proms, senior events, and graduation parties. One size fits most. Our 2020 sunglasses have built-in batteries, an on/off switch and feature 3 distinct light modes: slow flash, fast flash & steady on.