This is a double-sided paper whiteboard purchased a few years ago from Ohbun Printing. Specifications: ● Board Color: White ● Width (mm): 10 ● Depth (mm): 297 ● Board Outer Dimensions (mm) Height x Width: 218 x 297 ● Capacity (ml): 218 Specification 2: ● Thickness: 1mm ● Material: Paper ● Set Quantity: 10 sheets per set ● Color: White Material/Finish: Paper Set Contents/Accessories: ● Please use whiteboard markers. Part Number: UBNGWA4W10 I own three of these and would like to sell all of them.