Fun Central B562 4 Inch Premium Glow in the Dark Sticks - Assorted Red-White-Blue - 25pcs These premium glow sticks are brighter and longer-lasting than our standard sticks! Perfect for 4th of July and Memorial Day activities! Each glow stick comes with a pre-attached hook and lanyard. Measures 4 inches long and glows once for 8-12 hours! Box contains 25 premium glow sticks.