1. Is there a defective product in the glow stick? Yes, glow stick in the transport process will have a certain degree of defective, which is normal, the defective rate of about five per thousand or so.
2. How long can the glow stick last? Mostly 4-6 hours which is perfect for a party. Since different products are with different batteries, the working time may vary, please check with us for any specific products.
3. Is the liquid in the glow stick poisonous? No, the liquid is enviromental non-toxic, we have related testing, but it can permanently stain clothes, so please don't over bend or cut the plastic tube of the glow stick.
If you had any inquiry, please do not hesitate to contact us, wish that we have a nice cooperation.