Abstract: A container case for a card type memory comprises a storage space having an inserting entrance for inserting the card type memory, a resilient engaging pawl provided inside of the storage space for engaging with the card type memory, a leaf spring for ejecting the card type memory out of the storage space by resilient power, and a rotation supporting projection provided inside of the storage space for rotating the card type memory at said rotation supporting projection in the storage space to be easily ejected from the storage space with a comfortable mechanical feeling.