Never make a mean BORON again! SULFUR no more and add some flavor to your food. EXPERIMENT with your mean by PERIODICALLY COMBINING us to enhance your meal! These unique salt and pepper shakers are in the shape and style of a science lab flask with a rubber stopper closing the tops. On each flask is a periodic table style label that identifies which flask to use for salt and pepper. Each flask measures approximately 4 inches tall and 2 inches wide at the base. Great gift for the scientist in your family or among your friends. Everyone will enjoy these salt and pepper shakers at your next house party!