Assorted available in lots of 25 per color. Promotional 6 Inch Premium Glow Sticks have remained one of the hottest products on the light up market for years and they`re still going strong! Glow Sticks contain a non toxic, glow in the dark chemical that illuminates once activated. To activate, simply bend the stick until you hear it crack. This will release the chemical from within the glow stick and it will immediately start to GLOW! They will last approximately 6 - 8 hours once activated. A fun and interesting way to grab attention, glow sticks are perfect for kids. Excellent for school functions, community and other night time events, for safety purposes, parties, favors, raves and so much more!Item Size: 6 InchImprint Area: 2.5 x 0.4 Inches