Geyer has great quality cork tiles to use in your office, house, or classroom. We have light and dark tiles that come in sets of four. These 12x12 squares can be used to show off your creative side with pictures and artwork. Or use in the office and classroom to pin reminders and other notes. The message bars are also a good tool to use for posting work, memos, or other notes. The unframed bulletin boards are also a great way to keep your paperwork organized and have an easy way to hang up artwork.