Protective case for foldable mobile device

A protective case for a foldable mobile device which has a first portion, a second portion, and a joining portion wherein the joining portion connects the first portion and the second portion, comprising:

• a first case for protecting the first portion of the foldable mobile device installed therein;
• a connecting portion for covering the joining portion of the foldable mobile device;
• and
• a second case for protecting the second portion of the foldable mobile device installed therein, which includes a second inner shell and a second outer frame wherein the second outer frame is constructed to removably mount over the second inner shell,
• wherein the connecting portion is fixedly attached to the first case,
• wherein the second outer frame includes a recess to receive the connecting portion and the second inner shell covers the recess,
• wherein the connecting portion slidably moves in the recess such that a portion of the connecting portion is covered by the second inner shell when the portion is slidably moved in the recess, and
• wherein the portion of the connecting portion lies between the recess and the second inner shell.