The product is a set of 18 Cyalume 6" light sticks, specifically designed for use in the dark. Made of durable plastic, these glow sticks provide a bright and long-lasting light for various outdoor activities such as camping, hiking, and sports. With a dated expiration year of 2003, these light sticks are still effective for their intended purpose, making them a reliable choice for any outdoor adventure. Again they are INFRARED that means u have to have night vision device to see them at night

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