In ancient Roman markets, which innovative, sustainable packaging solution was commonly used to transport and preserve olive oil across the Mediterranean trade routes?

Before modern plastic and synthetic materials, ancient civilizations had their own innovative packaging solutions for products in their marketplaces. Many of these ancient packaging methods were not only practical but also sustainable and biodegradable - concepts we're returning to today. This poll explores how ancient Romans packaged and preserved one of their most traded commodities in a way that influenced packaging design for centuries to come.

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Amphora - large clay vessels sealed with beeswax that were reusable, recyclable (as building materials), and designed for efficient shipping
Papyrus wrapping - oiled papyrus sheets formed into waterproof containers that could be unwrapped and reused for writing
Wooden barrels - oak barrels lined with pitch that enhanced the oil's flavor while providing protection during transport
Woven palm leaf containers - tightly woven, watertight baskets treated with natural resins that were biodegradable after use