Available in a mixture of blue green yellow pink and orange or all in yellow these 4 inch glow sticks are a great buy at wholesale levelr r supplied in bulk bags each bag contains fifty 4quot glow sticks with a 10 mm diameter end caps and lanyards and features safety information and instructions on the bag onlyr r these lightsticks glow for 8 hoursr not suitable for children under 3yrs oldr 2 year shelf life guaranteed