A protective case for an electronic reading device includes a back cover, wherein the back cover is configured to secure the electronic reading device. The back cover includes a plurality of metal plates, each of the plurality of metal plates disposed in a predetermined location. The protective case also includes a front cover, wherein the front cover includes a plurality of magnets, each of the plurality of magnets being disposed in a predetermined location and one or more of the plurality of magnets being positioned based on the location of one or more corresponding metal plates. The front cover also includes a Hall sensor magnet positioned on top of a magnet shielding, wherein the Hall sensor magnet is positioned between the magnet shielding and the back cover of the protective case when the protective case is in a closed position.