A solvent-based ink jet ink composition accommodating body includes a solvent-based ink jet ink composition which includes a solvent that is a compound represented by a general formula (1) below, and for which a moisture absorption rate is 2 (mass %·24 hours) or more at 40° C. and a relative humidity of 100% RH; and a container in which the solvent-based ink jet ink composition is accommodated, in which the container is either of at least a container formed of a member having an inorganic oxide layer or a package which accommodates the container in which the solvent-based ink jet ink composition is accommodated and is formed of a member having an inorganic oxide layer: R1O—(R2O)m—R3  (1) wherein in the general formula (1), R1 and R3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms; R2 represents an alkylene group having 2 to 4 carbon atoms; and m represents an integer of 1 to 6.)