Red High Intensity Chemical Light Stick 6" - Glow In The Dark. Emits Steady Glow For 12 Hours. Glow Stick is waterproof. Batteries Not Needed. Great For emergencies, halloween, camping, birthday parties, raves, holidays, and promotional events! Each stick comes with a hole on top so it can be worn as a necklace. Completely safe and non toxic. Just crack the light stick and watch it glow for up to 12 hours. High Intensity Glow In The Dark Green Glow Light Stick. Color: Red. Size: 6" Long.