Coda Low Profile Circular Non-Magnetic Glassboard, 24 x 24, Denim SurfaceGhent's Coda Glass Whiteboard offers a unique, long lasting alternative to the traditional whiteboard. The 0. 25" tempered glass is made from recycled glass and sand that's been thermally treated for strength and safety. The non porous glassboard won't absorb ink, meaning the dry erase surface won't stain or ghost over time. Ghent's Coda Glassboard is the perfect addition to a modern office or conference room. Includes four markers and an eraser for