
I got this to securely hold posters purchased at San Diego Comic-Con and it did the job perfectly. Easy to open, but no fear of it opening on it's on, and I have the option to expand it for those extra wide posters. The only downside is that the strap is not long enough to have this as a crossbody item, so it has to be held on the shoulder.

Sargent Art 57 0001 Document Storage
3 Review

π¦ DEWEL Yellow-Medium Document Poster Tube with Clear ID Card Cap: Water and Light Resistant Telescoping Plastic Storage Tube for Blueprints, Prints, Posters, Artworks, and More
3 Review

Transon Poster Documents Storage Tube Extendable For Artworks, Blueprints, Drafting And Scrolls Color Black
16 Review

π¦ Expandable Document Storage Tube - DEWEL Plastic Carrying Case for Traveling and Storing Documents, Blueprints, Artwork, and More (Medium Size, Green)
3 Review

ARTDOT Diamond Painting Storage Container With 2 Drawers, 96-Slot Bead Storage Bottles, And Tools Rack For Easy Access To Accessories
27 Review

INSCRAFT 7-Layer Stackable Storage Container - 70 Adjustable Compartments, Suitable For Toys, Art Crafts & Jewelry + Mini Case Letter Sticker Included!
30 Review

30-Pack Low Odor Whiteboard Markers, 10 Colors - Fine Tip Dry Erase Volcanics Markers For School & Office Supplies.
24 Review

PACMAXI Sewing Accessories Storage Bag, Knitting, Craft Tools And Accessories Organizer, Roomy Carrying Bag For Sewing Tools And Accessories(Grey)
31 Review