1.5 with 4mm diameter;Each package of 50 is packed in a foil wrapper with connectors.;Bend enough to break the glass ampules and shake to activate;Completely safe & non toxic;3 to 4+ hours of long bright glow

• 1.5 inch Mini BLUE Glow Stick- 50 per package by DirectGlow LLC
• 1.5 inches
• Blue

1.5 inch Mini BLUE Glow Stick- 50 per package by DirectGlow LLCDirectGlow LLC