This German made ceramic flower pots have good quality and as result their coating, when laser engraved, changes color to dark grey allowing nice decorative effect.  Laser engraved logo or words will be permanent and not removable by any chemicals or storage conditions. Laser engraved artwork becomes part of the material that it is being engraved too (in this case ceramic pots) Job done for Brooklyn based marketing agency and will be used as movie, commercial props.