Final Inspection GS-H Glass System The Final Inspection Glass System, a revolutionary new way to easily and quickly clean glass including tinted glass without chemicals and without streaks, smears or smudges Chemical-free and streak-free glass cleaning made easy Safe for use on plastic and metal based window tint, glass and transparent plastics The NanoFibre cloths deep clean and remove oils and dirt from the glass surface, leaving nothing to cause streaks or smears There are 2 cloths, 1 to moisten with water and deep clean the glass. 1to remove any residual water and leave a smear free finish