Abstract: According to an embodiment of the present invention, an electronic device cover includes: a first plate that can be attached/detached to/from one surface of the electronic device; a second plate overlappingly coupled to the first plate; and a third plate which is connected to the second plate by a hinge and of which the angle formed with the first plate changes according to rotation with respect to the second plate, wherein the second plate and/or the third plate includes a composite material sheet, and at least a portion of the hinge can be positioned inside the composite material sheet. Other various embodiments are possible.

Abstract: A cover and electronic device are disclosed herein. The cover is attachable to the electronic device, and includes: a first region covering a first portion of a first surface of the electronic device, when the cover is attached to the electronic device, a second region covering a second portion of the first surface of the electronic device, the second region adjacent to the first region, and a receiving part protruding from a surface of the first region of the cover and including a hollow for receiving an electronic pen, wherein the first region of the cover is pivotable relative to the second region of the cover, such that the first region of the cover is spaced away from the first surface of the electronic device while the second region of the cover contacts the first surface of the electronic device.