Flashing LED Bumpy Jelly Ring Light-Up Toys (12Pack) 12 Flashing Led Bumpy Rings (Assorted Colors) Great Party Favors, Costume Accessories and Give Aways for Kids! Featuring a one size fits most because of the elastic properties of the ring. Bumpy, Flashy and Colorful, these rings can be easily turned off and on. Perfect in dance parties and night camp, comes in many different colors. Perfect for kids and adults alike.