Rust prevention oil composition

The rust preventive oil composition of the present invention contains a base oil containing mineral oil and a naphthenate, and the content of the base oil is 50% by mass or more based on the total amount of the rust preventive oil composition. . ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide rust prevention oil composition which can suppress generation | occurrence | production of rust over a long period of time, and also has water removal property and fingerprint removal property.