Quartet-Portable Reversible Re-MArk-Able Dry Erase Board-These boards are easily reversed and locked into position with custom designed metal hand wheels that tighten on each side.  The full-length rail is grooved to hold markers.  Each board has floor glides and pre-drilled holes to accept casers.  9Casters sold separately.) Choose solid oak stand with clear natural finish or the satin finish or the satin finish anodized aluminum stand.--- these are Melamine  - for Porcelain see 9347