Retractable. Marks on most surfaces. Contents: Back retractable. Fine point permanent markers. Easy push button for one-handed marking. Safety seal valve design prevents marker from drying out when closed. Fade- and water-resistant ink. ACMI AP: Conforms to ASTM D-4236. www.sharpie.com. We would love to hear from you 1-800-346-3278. Experience More Sharpie: Ultra fine; twin tip; chisel. Made in China.