Don't want to deal with the mess of punching a hole in the side of the can? This fits over the top of the can and allows you to shotgun a can without the mess! Must be 21 to order to purchase. By purchasing this item you are stating that you are 21 years of age or older. EXCESSIVE OR "BINGE" DRINKING CAN LEAD TO SERIOUS INJURY OR DEATH AND SHOULD BE TAKEN VERY SERIOUSLY. Alcohol should never be consumed in excess. the purchaser of this product agrees that they will be the sole user of this product.