Slat wall board, MDF material, melamine finish, vertical and horizontal grooves, ... : slat wall board, groove board, MDF slot board, slotted MDF board, slat board2. Material: Medium Density Fiberboard(MDF)3. Size: Horizontal slot wall: ... 1220*2440mm Vertical slot wall: 2440*1220mm4. Thickness: 15mm, 18mm, or customized5. Density: > ...