Fun Central X537 1.5 Inch Retail Packaged Glow in the Dark Sticks - Assorted - 20pcs Our 1.5-inch retail packaged mini glow sticks make great decorative items and are perfect for creating a glow in the dark centerpiece They also make perfect fishing floats for night fishing! Measuring approximately 1.5 inches long and 4.5 mm in diameter, they glow 1 time, for 3-4 hours When you're ready to use the item, snap it and then shake it Sold in attractive and convenient retail foil bags (2 mini glow sticks per bag) Each pack contains 10 foil bags (20 sticks)