This set of white envelopes measures 6.5 inches x 4.75 inches. The envelope flap is triangular, and the return address printed across the flap reads:
Apple, 1 Infinite Loop, Cupertino, CA 95014-2084
The return address is printed in Apple Garamond, Apple’s corporate font used between 1984 and approximately 2003.
The address is the former corporate headquarters of Apple used between 1993 and 2017. In April 2017, Apple moved their main campus to Apple Park.
Source: Wikipedia (fonts, campus)
