Harcor is able to supply an array of security labels and tapes. The security labels recommended will depend on aesthetic requirements, application and surface. Please view the examples/photos above: This shows two commonly used security labels - residue and non-residue. The residue security label leaves a film behind and additionally shows a void/open message when removed. The non-residue security label does not leave a film behind but will show the void/open message on the surface when removed.