Metal trunk from a thrift store.

Rust-Oleum Universal gloss black spray paint.

Store brand red spray paint.

Wash outside and inside of trunk to remove dust and gunk.

Dry throughly. Tape off handle (this one was leather)

Inspect the interior of the truck and remove any loose paper lining.

Spray Inside of trunk and let dry. As many coats as needed to cover.

Three + coats of the gloss back, enough to cover well, and dried between each coat.