1. Material: High quality fluorescein
2. Usage Method: Break the fluorescent substance inside and crush it thoroughly than flick it with your finger
3. Features: High quality material light weight and small volume to lighten the weight of float increase the sensitivity and the luminescent time is over 12 hours.
4. Tips: You can keep the broken light stick in refrigerator to reduce rate of reaction and prolong fluorescent lifetime.
5. Package Include: 20 x Light Sticks
2. Usage Method: Break the fluorescent substance inside and crush it thoroughly than flick it with your finger
3. Features: High quality material light weight and small volume to lighten the weight of float increase the sensitivity and the luminescent time is over 12 hours.
4. Tips: You can keep the broken light stick in refrigerator to reduce rate of reaction and prolong fluorescent lifetime.
5. Package Include: 20 x Light Sticks
