YSM series Glow stick & Light stick & Glowing stick & Fashion stick,with powerful light,mainly used as instant emergency light YSM series Glow stick & Light stick & Glowing stick & Fashion stick,with powerful light,mainly used as instant emergency light.Tube size: 15 x 150mm (6" stick); 15 x 300mm; 20 x 500mm. Personalized metalizedfoil bags can be available. (Need extra charge) 12hrs light ...