If you are familiar with the quality of porcelain steel whiteboards, you will appreciate strength and durability of dry erase board porcelain on steel panels. These unframed panels are a great option if you need to construct markerboards in your office, or if you want to resurface your old whiteboards. White markerboard panels are made from a porcelain steel sheet that is permanently laminated onto a moisture resistant dry erase white markerboard with a 1/4-inch thick MDF core. Unframed panels do not include mounting hardware.