A good executive laptop bag should carry a 16-inch laptop, keep chargers easy...
https://shanesinterestingcolumns.brightsora.com/posts/von-baer-city-large-dimensions-16.9-x-12.2-x-4.7-inches-will-it-fit-under-the-seat
A good executive laptop bag should carry a 16-inch laptop, keep chargers easy to reach, and still look right in a client meeting