Outdoor signal: Walk with your teammates in the jungle at night, and the light sticks in the black paint can easily help you determine the location of the people around you; Fluorescent lighting: In a dark environment, a fluorescent stick can help you understand the surrounding environment well, even reading. Outdoor camping: There are many adventures in the outdoors, you are lost in the long dark night, or you cannot move forward due to situations and wait for rescue. Maybe a small light stick can help teammates and rescuers find your location for emergencies, power outages, survival kits, camping and parties - these green glow sticks have many different uses, making them a must-have. You'll be surprised how useful they are when you need them. You can also take them on a fishing/hunting/boating trip, or give them as a gift to your kids for a party. material: plastic Super bright and long- These glow sticks can be seen from a mile away and provide the light output you need when you need it most. The best thing is that they last at least 12 hours. - Manufactured to quality guidelines, these glow sticks last for years to come. This is a maintenance free setup. Don't settle for anything less. Specification: Size: 15 x 2cm Color: Green Package Contents: 10 x Glowing Stick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.