Accessory for wiping an internal user interface of a closable electronic device

There is provided an accessory ( 300, 500 ) for a portable electronic device that conveniently wipes an internal user interface of the device. The accessory ( 300, 500 ), is configured for removable attachment to the portable electronic device. The portable electronic device has first and second housings ( 102, 104 ) that rotate or otherwise adjust relative to each other. In particular, the portable electronic device may be closed or opened by adjusting the position of the first and second housings ( 102, 104 ). The portable electronic device has an internal user interface ( 106 - 116 ) that is exposed in the open position ( 100 ) and hidden in the closed position ( 200 ). The accessory ( 300, 500 ) includes an inner wall 306, 508 ) capable of placement between the first and second housings ( 102, 104 ) while the device is closed.