DuraMax means durability. This porcelain board with a lifetime warranty 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 Frame—Includes marker rail with protective end caps. Board Type: Magnetic Dry Erase; Board Width: 72"; Board Height: 48"; Surface Material: DuraMax™ Porcelain; Steel.