The Military Surplus US GI Arctic Canteen has a double-walled interior that keeps liquids from freezing at low temps. Grade 2 condition. FeaturesAluminum with steel linerPlastic cap with drink tube opening1 quart capacityGrade 2: Good to Very Good - Products may show signs of light wear or fabric/material may be faded/scratched and names may be written on the canteen (or pouch if applicable). The cap maybe missing the snap closure on top, but retain 100% of their original functionality.