A protection cover comprising: a first cover having a first front surface configured to mount to a rear surface of a first electronic device, the first cover being bendable; a second cover rotatably coupled to a first edge of the first cover, the second cover having a second front surface configured to mount to a rear surface of a second electronic device; and a third cover rotatably coupled to a second edge of the first cover, wherein when the first cover is bent: the second cover rotates about the first edge, a portion of the first front surface smaller than the entire first front surface supports the first electronic device, and the third cover rotates about the second edge so that a portion of the third cover is in overlapping contact with a portion of the second cover, forming a cradle for the first electronic device, wherein the protection cover further comprises a plurality of attachment/detachment units, the attachment/detachment units including hook members mounted to the first and the second covers; and attachment/detachment members for detachably coupling to the first and the second electronic devices, and each attachment/detachment member is adapted to be detachably coupled to each corresponding hook member. a first cover having a first front surface configured to mount to a rear surface of a first electronic device, the first cover being bendable; a second cover rotatably coupled to a first edge of the first cover, the second cover having a second front surface configured to mount to a rear surface of a second electronic device; and a third cover rotatably coupled to a second edge of the first cover, wherein when the first cover is bent: the second cover rotates about the first edge, a portion of the first front surface smaller than the entire first front surface supports the first electronic device, and the third cover rotates about the second edge so that a portion of the third cover is in overlapping contact with a portion of the second cover, forming a cradle for the first electronic device, wherein the protection cover further comprises a plurality of attachment/detachment units, the attachment/detachment units including hook members mounted to the first and the second covers; and attachment/detachment members for detachably coupling to the first and the second electronic devices, and each attachment/detachment member is adapted to be detachably coupled to each corresponding hook member. the second cover rotates about the first edge, a portion of the first front surface smaller than the entire first front surface supports the first electronic device, and the third cover rotates about the second edge so that a portion of the third cover is in overlapping contact with a portion of the second cover, forming a cradle for the first electronic device, wherein the protection cover further comprises a plurality of attachment/detachment units, the attachment/detachment units including hook members mounted to the first and the second covers; and attachment/detachment members for detachably coupling to the first and the second electronic devices, and each attachment/detachment member is adapted to be detachably coupled to each corresponding hook member.