If you want to be a hit at parties and raves, all you need is this cool Monster Mouth!! It's a unique reusable mouthpiece with glowing light stick safety sealed inside. To use place securely behind front teeth for a safe, fun glowing effect that last for hours!! It's soft, flexible, and comfortable!! Each piece in blister card mouth piece comes with 2 green light sticks. Light up your mouth with Monster Mouth!!!