A flask made of NAZ 7 (Wearable Emergency Stock) of the USSR Air Force. The flask is welded from aluminum, the outside is painted with "hammer" paint, and the inside is covered with a layer of silver. Due to this, the water collected in the flask is stored for two years without losing its taste. With the help of an aluminium lid with a food-grade rubber gasket, it closes hermetically. Capacity: 1.5 liters Dimensions: 372x182x24 mm. Weight: about 500 grams.