Two Cool Tri-Fold Poster Board, 36 X 48, Black/white, 6/carton

BAZIC Trifold Presentation Board 36 X 48 Assorted Color, Tri- Fold Corrugated Poster Boards, Cardboard for Display Boards Science Fair Art Project, 24-Pack : Everything Else

Eco Brites Two Cool Tri-Fold Poster Board, 28 X 40, White/White

Office Depot Brand Tri Fold Project Board 36 x 48 White - Office Depot

BAZIC 36 X 48 Black Tri-Fold Corrugated Presentation Board Bazic Products

ArtSkills 36 x 48 Trifold Office Display Board Kit with Letter Stickers

BAZIC Trifold Presentation Board 36 X 48 White, Tri-Fold Corrugated Poster Boards, Cardboard for Display Boards Science Fair Art Project, 24-Pack : Everything Else

Elmer's 36 X 48 Tri-fold Foam Presentation Board - Black : Target

Pacon® Four-Ply Railroad Board, 22 x 28, Assorted, 25/Carton

Twinwall, also known as corrugated plastic cardboard sheet is waterproof and lightweight. Ideal for projects around the home, office and jobsite. A very versatile sheet that is widely used in applications ranging from hobby, craft, and school projects to construction applications such as surface protection and templates for signs and printing projects. Lightweight sheet for easy-to-handle installation. Easily trimmed using common household tools. Weatherproof and water-resistant.

Plaskolite 1TW3036C 0.157-in T x 30-in W x 36-in L White Corrugated Plastic Sheet

How to Make an A+ Project Display Board (with Pictures) - wikiHow

Custom Poster Printing

Railroad board is great for construction, art projects, mats, mounting, block printing, painting, markers, stenciling and posters. Brilliantly colored on both sides with a smooth uniform finish. Available in 16 colors. Sheet size, 22 x 28. Poster Board is great for construction, art projects, mats, mounting, block printing, painting, markers, stenciling and posters. Size: 28 x 22. For all Age groups. Poster Board. Brilliantly colored on both sides with a smooth uniform finish.

Pacon Six-Ply Railroad Board, 22 x 28, White, 25-carton