Coroplast 36 in. x 24 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet COR-2436 - The Home Depot
Aluminum Composite Panel - Black
Modern Materials: Plastics, Essay, The Metropolitan Museum of Art
Custom Poster Printing, Make Your Own Poster Prints
24x36 Acid-Free Art Print and Poster Sleeves - 12 Pack – Portfolios and Art Cases
PosterGarden - Smart. Sturdy. Simple. Portable & Modular Displays
Pacon Plastic Posterboard
Clear Plastic Sheet Replacement Glass Picture Photo Frames - Temu
Wexel Art 14 X 14 Floating Wall Frame - 4688 A floating wall display ideal for anything you want to change often: kids art display, photos, greeting cards, even thick items or odd-shapes. Fits items up to 12 x 12. A single, light weight, sheet of acrylic exhibits your piece, and our Impressively Strong Magnets hold it in place.
Wexel Art Floating Picture Frame Picture Size: 14 x 14
Multifunctional Application:These plexiglass sheets can be used for many creative DIY occasions like photo frame, poster frame, handcrafts, artwork
Egofine Plexiglass Sheets Acrylic Sheets 12 Pack of 4x6'' 0.04 Thick Clear Plastic Cast Transparent Plexi Glass for Crafting Projects, Replacement
Custom Photo Foam Board Prints
How to Frame Your Art on a Budget (Step-by-Step DIY Guide)
Clear Plastic Sheets Frames