The liquid inside these packs freezes (in your freezer) and keeps the contents of your cool bag or box cold while you are out and about camping or on your travels. Can be used to keep drinks and food at the right temperature. They have been designed to be used while camping, hiking, or at a festival.
- Keeps food and drink cold
- Charges in a freezer until needed
- Heat sealed leak proof cap
- Non toxic aqueous liquid
- Ideal for picnics