Made from pro-environment soft foam. Replaceable batteries are included and installed inside each foam stick, press the power button to switch between the 3 different light up modes, quick flashing, slow flashing, and alternately flashing. There’re 3 colors mixed in one stick, also have single color like red, blue, green, purple etc. Spice up your glow parties with these foam glow sticks in the dark party favors and decorations or use as giveaway toys. Perfect for Christmas, Halloween, birthday parties, weddings, concerts, bar, sporting events, raves.