The items in the image appear to be military-style ammunition storage boxes, commonly known as ammo cans.
Durable Construction: Typically constructed from heavy-gauge steel for extreme durability.
Weather Resistant: Features a rubber gasket seal under the lid to keep moisture and air out, ensuring contents remain dry.
Functional Design: Designed to stack securely and features sturdy handles for transport.
Versatile Storage: While designed for ammunition, they are widely used for storing tools, camping gear, survival supplies, or documents.