The royal standard for the crown prince consists of a green flag, with an Arabic inscription and a sword appearing in white, and a national emblem embroidered with silver in the lower right canton at the flagpole.
<a href="//commons.wikimedia.org/wiki/User:Alhadramy_Alkendy" title="User:Alhadramy Alkendy">Alkendy</a>
CC BY-SA 4.0
Own work  using: <a rel="nofollow" class="external text" href="https://www.fotw.info/flags/sa_royal.html">Flags of the World - Saudi Arabia: Royal Standard</a>, <a href="//commons.wikimedia.org/wiki/File:Flag_of_Saudi_Arabia.svg" title="File:Flag of Saudi Arabia.svg">Flag of Saudi Arabia.svg</a> and <a href="//commons.wikimedia.org/wiki/File:Coat_of_arms_of_Saudi_Arabia.svg" class="mw-redirect" title="File:Coat of arms of Saudi Arabia.svg">Coat of arms of Saudi Arabia.svg</a>.