Tac Shield Tactical 12 Hour Light Stick Yellow 10 Pack. The various colored light sticks are used to identify specific areas/zones unit colors personnel marking and many others. Special hang clip makes it easy to attach. These 6 inch lights provide 12 hours of dependable use. All light sticks are 100percent waterproof non-flammable and non-toxic. They produce no heat or sparks. Just bend the stick and shake for full brightness. Specifications for Tac Shield Tactical 12 Hour Light Stick 10 Pack: Manufacturer: Tac Shield Quantity: 10 Package Contents: Tac Shield Tactical 12 Hour Light Stick 10 Pack Tac Shield 03086Y: Tactical 12 Hour Light Stick Yellow 10 Pack