A writing board for retaining material for writing, the writing board having a main board defining a surface and a material retaining arrangement configured to retain material on the surface, the retaining arrangement further having a retaining portion movable between a first retaining position at which material can be retained thereby on the board and a second position that allows material to be removed from the board, the retaining portion bearing a first part of a snap fastener, which first part is releasably engageable with a second part of the snap fastener located on the board, one of the first and second parts having a projection that locates into a re-entrant portion in the other of the first and second parts to extend through a hole in material being retained thereby when the retaining portion is in the first retaining position.