Set of 25 Mini LED Blue Non-Flashing Candy Lites with Clip Contains 25 Non Flashing Round Blue LED Clip On Pins Great for Arts & Crafts Projects, DIY Light Up Decorations & More Use Them as Buttons on a Shirt, Earrings, Lapel Pins- The Possibilities Are Endless All products are CPSIA Compliant Includes Replaceable Low Mercury Batteries