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.