Carrier box for polarizer

[0022] A carrying case for a polarizer, comprising: a case body having guide rails on an inner bottom plate formed in a guide groove shape and having locking walls at both sides of the inner bottom plate; and sliders having Installed in the guide rail of the case to slide along the guide rail and fixed to a predetermined position according to the size of the polarizer accommodated in the case to restrain the polarizer. The slider includes a lower moving piece inserted into the guide rail and locked to the locking wall, an upper moving piece arranged on the lower moving piece while both ends are in contact with the inner bottom plate of the box body, and clamping the lower moving piece and the upper moving piece A clamping assembly that squeezes the upper moving member and fixes it to the inner bottom plate of the box so as to limit the polarizer to a predetermined position.

[0023] A fixing groove may be formed at one side in the case to fix the polarizer accommodated in the cas