Ready to make a huge announcement at your gender reveal party? If you’re announcing a boy, these blue confetti poppers will make it an announcement everyone will remember! Perfect for a baby boy gender reveal party, the poppers don’t give anything away on the outside until they’re activated and blue confetti bursts out! Also great for any blue-themed celebration, these poppers are sure to be a hit! Cardboard. (4 dozen per unit) 4 1/2 x 1 1/2 diam. Popper is spring activated, no gunpowder or firework materials in this product.