A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, backup } from '@wordpress/icons';
<Icon icon={backup} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M5.5 12h1.75l-2.5 3-2.5-3H4a8 8 0 113.134 6.35l.907-1.194A6.5 6.5 0 105.5 12zm9.53 1.97l-2.28-2.28V8.5a.75.75 0 00-1.5 0V12a.747.747 0 00.218.529l1.282-.84-1.28.842 2.5 2.5a.75.75 0 101.06-1.061z"></path></svg>
backup – WordPress Icon Library