CUP HOLDER

A cup holder that can prevent malfunction and generation of abnormal noise due to adhesion of liquid or other foreign matter is provided. The cup holder () includes a holder main body () for accommodating a container therein, and arms () each including an upper arm piece (), a lower arm piece (), and a hinge joint () connecting a lower end of the upper arm piece () to an upper end of the lower arm piece (). The arm is an integrally molded product made of a resin material, and the hinge joint () is a thin-walled hinge formed by a thin-walled portion thereof.