Professional Project Folders Design

I'm looking for a graphic designer to create a classic and professional design for project folders. These will hold paperwork for our projects to be given to clients. I want a clean and simple design, with a sleek, minimalist touch.

Key Requirements:
- Design should be classic and professional
- Use a minimalist approach
- Color scheme is strictly black
- Material preference is Leatherette

Ideal Skills:
- Graphic Design
- Brand Development
- Packaging Design

Please include examples of similar work in your proposal.