A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, cover } from '@wordpress/icons';
<Icon icon={cover} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M18.7 3H5.3C4 3 3 4 3 5.3v13.4C3 20 4 21 5.3 21h13.4c1.3 0 2.3-1 2.3-2.3V5.3C21 4 20 3 18.7 3zm.8 15.7c0 .4-.4.8-.8.8H5.3c-.4 0-.8-.4-.8-.8V5.3c0-.4.4-.8.8-.8h6.2v8.9l2.5-3.1 2.5 3.1V4.5h2.2c.4 0 .8.4.8.8v13.4z"></path></svg>
cover – WordPress Icon Library