For fun, safety or utility, nothing beats our light sticks. Our light sticks are powered by non-toxic chemicals that react without heat to provide up to 12 hr of bright light. These compact sticks are waterproof and windproof, so they’re ideal for any outdoor application, regardless of the weather.Approximately 12 hr of low-power light per stickSafe and non-toxic9 in L x 1.3 in W x 1.3 in H