A housing for a mobile device (4) comprises a pouch (1) or case including cleaning material arranged to clean the surface of the mobile device (4) as it is slid into or out of the housing. Shock-absorbing material (5) may be provided between the cleaning material (3) and the pouch (1) or case. The pouch may be reversible for use as a cleaning pad or mitt, and may include a pocket (6) for holding the mobile device when the pouch is reversed.