Product Description:

This is a black metallic bar unit, designed for organizing and displaying beverages and barware. The image shows a shelving unit with multiple tiers for bottles and glassware, and potentially integrated features like a wine rack or glass holders. 

Material Description:

The unit is constructed from metal, as indicated by the product name "black metallic bar unit" and confirmed by similar products found in search results, which are typically made of iron or other metals.