ASSORTMENT: 25 pack features yellow, orange, pink, purple, and blue sticks. LONG LASTING: Long lasting formulation provides bright output for a 12 hour duration. INDUSTRIAL GRADE: High quality sticks are thick and durable to prevent leaks or cracks, making them safe for use by people of all ages. LONG SHELF LIFE: Each glow stick is individually wrapped in foil wrapping and can be stored for years. GREAT FOR PARITES: Make a great addition to parties, nighttime activities and get-togethers, sleepovers, or as party favors.