1. usage: sticks by plastic pipes and glass pipes fitted with different liquids in two parts, using the sticks lightly bent, broken glass in a plastic tube, gently shake the glass tube and pipe two liquids mixed in, to achieve the best glow effect.
2. light: light sticks glow from 4 hours to 12 hours, light is inversely proportional to the length of time and environmental temperature, and inversely proportional to the initial brightness.

Factory specializes in producing light stick, in need, please contact Tony: 18858946946 15967952679 QQ:153239272