Adult's Mardi Gras Light-Up Bow Tie - Battery Included. Light up your Mardi Gras party in super style! You'll be the life of the Mardi Gras festivities with this green, purple and gold light-up bow tie. Add this party prop to your photo booth for some Fat Tuesday snapshots, too! 5 2/8" x 3 1/2" with a 16" elastic band. Battery included.