Protection device for an electronic device

A protection device comprising:

• a receiving portion for receiving an electronic device therein;
• and
• a cover portion pivotally connected to the receiving portion to cover the electronic device, the cover portion comprising a first reinforcing member, two right angle trapezoid-shaped second reinforcing members symmetrically positioned on opposite sides of the first reinforcing member, two third reinforcing members, and a fourth reinforcing member;
• wherein the two third reinforcing members are respectively located between the two second reinforcing members and the fourth reinforcing member, the first, second, third and fourth reinforcing members are foldably connected to each other by fold lines between the reinforcing members;
• and
• wherein the first reinforcing member is folded relative to the fourth reinforcing member and the two second reinforcing members are folded toward the first reinforcing member, the two third reinforcing members are folded to a position between the first reinforcing member and the fourth reinforcing member, the cover portion is rotated to allow the first reinforcing member to abut against a back of the receiving portion.