Make your smile radiate! Our light up mouthpiece utilizes red, green, yellow, and blue LEDS, 4 in total to make your mouth (grill) glow. Mouthpieces are truly an old time party favorite among children and adults. Turning on the mouthpiece is simple, press the button located in the center, for hours of enjoyment. Each flashing mouth guard is packaged individually in boxes of 12 and is made with international standard materials for safe use! Don't let your party guests miss out, order your light up teeth today!