Sport our flashing rings with style and with ease. To turn them on and off you just give them a squeeze. One size fits adults or fits your little tykes. Each assortment has hearts, roses, pom poms and spikes, however the rings are also sold individually so if you add 1 to your shopping cart you will receive 1 ring. Height: As small as 1.6 in. , 4.06 cm. As large as 2.1 in. , 5.33 cm. Width: Approx: 1.25 in. , 3.17 cm. Ring Size: One size fits most. Colors: Blue, Red, Yellow, Green Batteries: Batteries are NOT replaceable.