Grab their attention with a bottle like no other out there! The 750ml Kryptonite™ flair bottle is the strongest, most shatter-resistant flair bottle found anywhere, and this clear version features an eye-catching alternating light show of blue and red that looks great in low light settings! It's automatically activated and shuts down after 17 seconds of display. It works with a replaceable AG-3 Button Cell Battery. Please note that electronics are not unbreakable and flair bottles are not intended for liquids.