A 20-foot refrigerated sea container (REEFER), capable of operating at temperatures between -20°C and +20°C. It features 50 mm thick insulating mineral wool sandwich panels, overhauled mechanics, a 2/3-1/3 door with key lock, an access ramp, a smooth floor for equipment handling, an alarm with visual indicator and siren, recessed LED lighting, an emergency opening, and a curtain. Definition of "first trip" condition: manufactured within the last 18 months and used only once for transport from the country of manufacture to the final destination.