Isothermal lunch box - 5 litres size-g-13-n-25226-b-958 Is this backpack waterproof

Is this backpack waterproof

Compatibility:

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Isothermal lunch box - 5 litres size-g-13-n-25226-b-958 Is this backpack waterproofOur design team of hikers have eco designed this 5 litre insulated lunch box which is practical and easy to carry. Isothermal We have laboratory tested this lunch box according to the EN 12546 2 standard, at an ambient temperature of 32C, without ice packs and half full. It took 3 hours to go from 5C (temperature of food straight from the fridge) to 15C. By adding 420 g of ice, the time to go from 5C to 15C increased to 5 hours in the same conditions.