A tray inserted in an electronic device, and housing a card removable from the electronic device, the tray includes: a first interior wall partially defining a housing space housing the card; a second interior wall facing the first interior wall, and partially defining the housing space; and an elastic member provided to the second interior wall, wherein the elastic member is formed of rubber, and configured to change in shape in conformity with a shape of the card while the card is housed in the tray, and to apply to the card elastic force toward the first interior wall.