It is good for writing and wiping off, Unreflecting.
The frame is made of aluminum which includes different processing such as frosting, electrophoresis, etc.
Galvalized steel is usually used for back side. MDF can be used as the core. the surface can be also used with china-made painted steel.
various sizes are available, we could design it for your requirement.
the price depends on the size, the surface and frame of the material, together with the quantity.