In general, in one aspect, the disclosure describes an apparatus that includes two panels pivotally connected together. The panels can pivot from an open arrangement where the two panels lay side by side to a closed arrangement where the two panels lay one on top of another. The apparatus also includes a flexible display connected to the two panels and having a portion that is mechanically free from the two panels. The apparatus further includes a cavity to receive at least a portion of the free portion of the display when the panels are pivoted into the closed arrangement.