Baglaum material: plastic Super bright and long- These glow sticks can be seen from a mile 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 will 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: 20 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.