The ready america green 8-hour safety light stick is cool to the touch, waterproof and non-toxic. This reliable light stick is ideal for emergency kits and has a 4-year shelf life. See and be seen for up to 8 hours. This light stick is lightweight and easy to carry and does not depend on batteries, so it's ideal for blackouts, roadside emergencies, disasters and outdoor recreation. Features: Chemical lighting lasts for up to 8 hours, so you can see and be seen Hurricane, earthquake and disaster relief item No batteries needed for reliable use 4-year shelf life provides an ideal lighting solution for emergency kits Green color is fun for kids and makes great safety lighting during halloween Bend-and-shake activation for easy use For use during blackouts, roadside emergencies, disasters and outdoor recreation and as an alternative to fireworks Lightweight for easy carrying and storing Cool to the touch, waterproof and non-toxic for safe use Note: product may vary by store