The Atomic LED Glow Shot Glasses are just like the basic Glow version but these can be re-used many more times! This style is an RGB (Flash-Fading of All Colors). Simply press the button on the bottom and watch it go into a quick flash-fading of all colors (red, green, blue, purple). One flash-fading mode. Holds 2oz. Batteries included and replaceable. Sold individually.