text: In case that your parcel is damaged or lost, please fill out the appropriate report.
  The damage and loss ratio of GLS is consistently at a very low level, because GLS sets great store by reliability. If you, nevertheless are not satisfied with our service, please let us know. This will also help us to further improve our service quality.
  Each parcel is identified by a unique parcel number
  In order to investigate your complaint as quickly as possible, please always provide the parcel number.