You need to mark a surface, get the job done, then wipe it clean. No residue, no ghosting. These Staedtler non-permanent dry marking pencils write on glass, metal, wood, leather, stone, plastic and paper with a solid yellow line that erases when you're finished. Light fast and waterproof, so a spilled coffee or a rainy afternoon won't smear your work-in-progress. Round barrel sits naturally in your hand, whether you're labelling a prototype or tagging a shelf in the storeroom. Box of 12 keeps the whole team covered