The Industry Standard the original pen style permanent marker. Permanent on most surfaces. Fade and water resistant quick drying ink. Sold as 1 Dozen.Permanent on most surfaces.Fade and water resistant quick drying ink. Manufacturer: SANFORD; Model: SAN30001; MPN: SAN30001; Part Number: SAN30001; UPC: 804998673570; Color: ; Brand: Sharpie; Department: ; Size: ; Warranty: ; Label: SANFORD;