Owl Self-Adhesive, Flat-Sheet Round Address Labels Owl Round Address Labels is a wise choice. 144 Self-Adhesive Personalized Address Labels with your address or message encircling your initial. Affix easily to the upper left of your envelopes or do double-duty on the back as envelope seals. Measures Approximately 1-1/2" Diameter Three (3) Lines of Personalization; Specify Up to 30 Characters per Line Colorful Image Address Labels are printed in the USA! **Please Note: We are Unable to Print Foreign Characters at This Time.