Why would you buy an artist presentation case portfolio holder?

Your portfolio should have the best work you have to offer - why is it vital to have a professional artist presentation case ?  Does it really matter?

Art Portfolios BLICK Art Materials

A3 Water Resistant Black Portfolio Case Design Art Work Painting

PRAT Start 1 Portfolio Case For 24x36x3

Sold At Auction: BEAUTIFUL LEATHER ART PORTFOLIO CASE, 42% OFF

Moocorvic Art Portfolio Case, Plastic Presentation Book Folder Clear Protectors Display Book Document Organizer for Music Drawing for School Office

Why would you buy an artist presentation case portfolio holder?

Nicpro 11x14 Art Portfolio Folder, 30 Pockets Display 60 Pages Art Pa

Portfolio Case Art Folder Artist Presentation Carry Case Art Portfolio Carrying

Nicpro Art Portfolio 11x17, Upgraded Large Portfolio Folder for Artwor

Buy Artist Portfolio Drawing Storage Art Presentation Nylon Folder Case RFOLIO Online in India

A2 Portfolio Case Art Folder Artist Presentation Carry Case Art Portfolio Carrying Strap Water Resistant Vinyl Storage Pocket Protection Zip Sketch Bag 45.5cm x 62.5cm x 3.8cm Deep (A2 Art Portfolio)

Guerrilla Painter Watercolor Boards and Carrying Cases

Art Portfolio Case Buyers Guide – Portfolios and Art Cases