A canteen of 1.9 liter volume, based on the US ARMY canteens. Made of materials adjusted to contact with water and food. Thanks to a wide opening the cup can be filled in or washed without a problem. The canteen is offered together with a cover with a pocket for water treatment tables. The inner side of the cover is trimmed with thermo-insulating sheepskin coat ensuring a steady temperature of water. Can be moved with an adjustable shoulder strap or attached with the LC2 ALICE or MOLLE system.