10/50pc Reusable Gel Packs Gel Ice Pack Cooling Bags for Food Industrial Medical Use Thickened Ice Packs for Lunch Boxes Coolers

10/30/50pcs/set cheap Insulated in-customized reusable dry cold ice pack gel cooler bag for lunch box food cans wine medical Product Size:   100ML :139CM 400ML :1912 CM Package Incluede:  10/30/50pcs bag How to useOpen the seal of the ice bag water inlet and inject it into the water. After a few seconds of water injection, the material in the ice bag and the water will be fused into a gel, and then frozen in the refrigerator for 10-12 Hours.  Feedback:Your feedback is extremely important to us,  please kindly leave us positive feedback (5 stars) if you are satisfied with your purchase. If you have any dissatisfaction,  please give us an opportunity to resolve your problem before leaving us a negative feedback.  Please feel free to contact us if you have any questions and we'll try to serve you the best!