DuraMax means durability. This porcelain board will not stain, ghost, scratch or dent and is ideal for a busy office with heavy use needs. Plus, the board surface is magnetic to double as a posting and display surface. Silver Aluminum FrameIncludes marker rail with protective end caps. Board Type: Magnetic Dry Erase; Board Width: 72in; Board Height: 48in; Surface Material: DuraMax Porcelain.