Chartpak Self-Adhesive Vinyl Capital Letters are perfect for creating displays signs posters and identifying property. Made of water-resistant material these letters can be used outdoors including use on vehicles and boats. All characters are in Helvetica font and have permanent adhesive. Punctuation characters Included. 3 inches high Black 50 per pack. A. Chartpak prides itself on integrating brands that affect the way we work the way we learn and the way we create.