Get soft and flashing rings for your Dad or for your Mom. Give them our blinking ring that's also a pom-pom. You should take some home. Get some this very hour. Just squeeze this flashing foam to start the ring's battery power. Height: 1.88 in. , 4.78 cm. Width: 1.5 in. , 3.81 cm. LED Colors: 1 Blue, 1 Green, 1 Red Ring Colors: Blue, Green, Pink, Purple Batteries: Batteries for this item are NOT replaceable.