Add a splash of fun to your party with our flashing blue plastic LED Dolphin Necklace! With 3 different light settings - slow flash, fast flash, and steady on - you can choose your favorite setting with a simple click of the on/off button. Perfect for beach, tropical, or ocean-themed parties, each necklace features 7 translucent plastic dolphins measuring 2 3/4" each that flash and light up. Plus, with 2 CR2032 button batteries included, installed, and replaceable, the fun never has to stop!