NON-TOXIC SAFE WATER INJECTION TYPE COLD PACK / ICE PACK.
Inject water up to maximum 750ml. You may decide the size of the ice pack. If you wish to have 500ml, just inject 500cc water into it before use.
The injected water will turn into gel like. Frozen the ice pack in the freezer for 8-12 hours before use.
It is suitable for working and traveling nursing mom to keep their breast milk chill and fresh for more than 16 hours with 2 Korea Super Durable ice packs.
Tested an ice pack with 750ml water and an ice pack with 350ml water can keep the milk cool for 16 hours in insulated cooler bag. You can create the ice pack in your preferred size for the first used, and the size will remain unchanged in future. The more water you inject the longer the ice pack can keep the cold, but if too much water injected the ice pack will puncture faster.
Specifications and Features