It is a worn metallic barrel having a lot of scratches and worn areas.

Besides, the silver lids are full of rust.

This 3D model consists of 4,224 tris.

The zip file contains
1) a Blender file
2) a FBX file
3) a glTF file
4) a preview image
5) a folder of 4k texture maps

The model can be further subdivided to get smoother surfaces and edges.