Kick up the patriotic feel at your party and add the 4th of July Fireworks Light Up Necklaces to your party supplies. These necklaces are great for any July 4th party. Each inexpensive piece includes a thirty-one-inch lanyard that is the color gray. Included is a 3.5-inch diameter medallion. The medallion lights up to say “Happy 4th of July” with pink, green and blue design to replicate a firework. Replaceable batteries are included for a quick and convenient use. Simply activate by flipping the switch to on on the battery pack.