Now you can spell anything you like using my hand-drawn robot letters. Each letter is unique. They come in packs of 10 for each letter. You can purchase the ones you need or opt for an entire set of the alphabet. Most common letters used. J, M, S, D, and C are the most common initials for first names, whereas S, B, H, M, and C are the most common initials for last names. Stickers measure about 3 x 2.5 Inches Our custom stickers feature a special laminate that protects them from exposure to wind, rain and sunlight. You can even put them in your dishwasher and have them come out looking brand new.