The Swivel Whiteboard has a couple of variants which will aid you with what you require.
Firstly the board is mobile, therefore you can position it anywhere in a room to suit, however it comes in a variety of sizes, specific to your requirements.
Secondly, there is an option for a magnetic or non magnetic surface. The dry wipe whiteboard is suitable for use with the recommended dry wipe pens.
This doubled sided, plain drywiope whiteboard, rotates 360 degrees on a horizontal axis and can lock into any position. There is also an integral pen ledge castor and stability bar.