Ice Crystal Box Ice Box Ice Pack Refrigeration Preservation 400ML 600ML Reusable Lunch Box Ice Block Ice Gel

Reusable Ice PacksMaterial: HDPEColor: Blue White Yellow Green RedSpecifications: 400ml/600ml Regular/Wave Features:- For long-distance transportation of refrigerated and fresh food and beverages.- Energy saving and cooling- Material, non-toxic and harmless, does not contain BPA, no pollution to food- Can be reused.- Suitable for all types of bento bags, bento boxes, refrigerators and groceries.*** Note *** The bottle contains gel powder, please fill it with water, cover it, and shake the bottle for 2-3 minutes * When the water turns into gel, put it in the refrigerator.Use after 10-12 hoursTo reuse, just refreezeTips1. Put the ice box in the refrigerator for 12 hours and take it out. It can be used as refrigerant as needed.2. When not in use, it should be placed in a cool, reusable place and out of the reach of children to prevent ingestion.