Abstract: A latchable safety protection device for covering the cassette receiving opening of a cassette tape recorder for preventing the introduction of foreign elements into the recording chamber in which the device includes a plastic body having an integral hollow insert portion and cover portion. A pair of spring biased latching members which engage the sides of the cassette receiving opening, and a pair of slidable release members for retracting the spring biased latching members to permit the withdrawal of the device from the cassette receiving opening to allow the insertion of a tape cassette.