A rollable display apparatus including a main body portion extending in a length direction and including a metallic material. The rollable display apparatus further includes a flexible display panel protruding from an outer surface of the main body portion. A portion of the flexible display panel is connected to the main body portion. The rollable display apparatus additionally includes a support portion. The flexible display panel is attached to a first surface of the support portion, and the support portion includes an extension portion extending from the support portion and beyond an edge of the flexible display panel, and the extension portion includes a magnet that attaches the flexible display panel to the main body portion.