Light Up LED Wristbands with Magnetic Clasp are a great way to add some fun glowing color to any glow party event! The glow in the dark LED wristbands have a clear band that completely lights up with a bright glow when turned on and has a strong, easy to use magnetic clasp. Light up your next event with stunning white light or brighten the glow party with a mix of fun colors. The LED light bracelets take 2 pieces of CR1220 coin cell batteries that are pre-installed and are easy to replace. All you have to to do is turn your wristbands on and your glowing with bright vibrant color!