Insulated stainless steel water bottle or thermal flask, often used for keeping drinks hot or cold.
Material: Stainless steel construction with a black powder coating. Lid:
Features a specialized, potentially leakproof, screw-top lid with a built-in handle or spout for carrying or drinking.
Capacity: Commonly found in sizes around 500ml or 20 oz. Features: Designed to be double-walled for temperature retention.