An integrally molded plastic holder for tape cartridges is provided wherein the holder is partitioned into an upper section and a lower section by two spaced apart ledges integrally formed therewith and wherein the upper and lower sections have a plurality of compartments dimensioned to receive a tape cartridge and wherein a plurality of resiliently tab portions are mounted between the upper and lower ledges so that a portion of each tab portion is located in a recess in a tape cartridge when the tape cartridge has been inserted into one of the compartments to restrain the removal of the tape cartridge from the compartment. The tab portions are mounted so that, when the tab portions are in the recesses, they are in an unstressed condition.