Sunny Self-Adhesive, Flat-Sheet Round Address Labels Sunny Round Address Labels will add a pop of color to all your correspondence! 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 Four (4) Lines of Personalization; Specify Up to 18 Characters per Line Colorful Image Address Labels are printed in the USA! **Please Note: We are Unable to Print Foreign Characters at This Time.