Quartet Cork Unframed Bulletin Board Wall Tiles, 12" x 12", Natural Brown, Pack Of 4 - Cork wall tiles give you the freedom to customize how your setup looks. These modular Quartet Cork Tiles can be arranged side-by-side, in a square or however you see fit. Plus, they're unframed and great for DIY crafting. The self-healing cork holds up your pushpins and papers strong.