Saitec Multicolor LED Submersible Waterproof Mini Blinking Lights for Paper Lantern Balloon Floral Wedding Halloween Christmas Party Decoration Centerpieces (Pack of 40) With a hook at bottom, you can thread and hang them easily Great to use to illuminate the inside of a paper lantern or balloon Batteries are included, turn LED on and off by twisting the base Waterproof, blinking lights Each light emits multicolors and changes the color automatically in seconds