Here's a light up ring we know that you will like. Get the soft rings with more than one soft spike. You should take some home. Get some this very hour. Just squeeze this flashing foam to start the rings battery power. Height: 2.0 in. , 5.08 cm. Width: 1.25 in. , 3.17 cm. Ring Colors: Blue, Clear, Green LED Colors: 1 Blue, 1 Red, 1 Yellow Batteries: Batteries are NOT replaceable.