Custom Heart Monogram Initials Vinyl Decal/Bumper Sticker for Cars YETI Cup Laptop (12 Colors) (2.5"x4") Click "Customize" to begin adding your letters and colors (12 COLORS AVAILABLE) Traditional monogram format goes: First Initial, Last Initial, Middle Initial. When entering your letters, type it in the format: aBc MADE IN THE USA! Easy to apply to smooth surfaces like YETI cups and windows!