GI style 1 Qt aluminum canteen. This is mainly designed for hikers, cyclist, workers, soldiers and campers. The aluminum canteen is designed to hold 1 qt water. The water remains cold even after hours, so it is suitable for the workers who work in fields. The canteen is made of heavy gauge aluminum which makes it strong and sturdy. The aluminum canteen has screw on top. The cap is provided with safety chain which ensures that the cap is not lost. Great for outdoor activities. The canteen is made to GI government issued style. It is worth for your money.