The new, alcohol-free ZEISS clean screen wipes include a non-abrasive formula and are suitable for all optical surfaces. These individually packaged, pre-moistened disposable wipes clean screens quickly and easily without leaving streaks, smudges or scratches. ZEISS is following the recommendation from name-brand smartphone and tablet manufacturers who suggest using alcohol-free, non-aggressive cleaning agents in conjunction with a gentle cloth. The clean screen wipes from ZEISS are ideal for wiping off the screen on a smartphone, tablet, LCD-display, laptop and similar devices.