Our 6 inch standard glow sticks can be used as party favors, decorations, promotional items, safety lights,and much more. Each box contains a variety of bright colors. Each glow stick measures roughly 6 inches long and 1 cm in diameter. Glows 1 time, for 8-12 hours. Pre-attached caps, useful for hanging the glow sticks, are included. All it takes to activate the stick is a simple snap and shake. Sold by the box (25 glow sticks per box).