Retractable version of the original and iconic marker. The Sharpie RT permanent marker contains quick-drying water-resistant ink that permanently marks most surfaces including glass, metal, photos, foil and most plastics. Resilient tip resists abrasion; tough polypropylene barrel stands up to almost anything; clip indicates ink colour; approx. 1mm line width; safety-seal system prevents ink drying out; no cap to lose.