10Pcs Refrigerate Food Keep Fresh Gel Dry Ice Pack Water Injection Icing Cooler Bag Reusable Ice Bag Pain Cold Compress Drinks

Packing: 10 pieces/set

Open the seal and inject clean water with corresponding volume scale; According to the tight seal, it will condense into gel-like substances after a few seconds;

Refrigerate for 5-8 hours before use.

Note: The injected clean water cannot be higher than the scale line of the maximum capacity.