Our Kiss Me I'm Irish GREEN square glow shape is perfect to light up your St. Patrick's Day party. Square shaped badges are about 3" in diameter. Squeezing our green Kiss Me I'm Irish glow square breaks an inner ampule allowing 2 chemicals to mix together and create a bright green glow. Each imprinted glow badge has a self-adhesive backing allowing it to stick on almost anything. Priced by the individual piece. Please order in increments of 1 piece.