RemixIconEx.Document.contacts_book_2

You're seeing just the function contacts_book_2, go back to RemixIconEx.Document module for more information.
Link to this function

contacts_book_2(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Document.contacts_book_2()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M20 22H6a3 3 0 0 1-3-3V5a3 3 0 0 1 3-3h14a1 1 0 0 1 1 1v18a1 1 0 0 1-1 1zm-1-2v-2H6a1 1 0 0 0 0 2h13zM5 16.17c.313-.11.65-.17 1-.17h13V4H6a1 1 0 0 0-1 1v11.17zM12 10a2 2 0 1 1 0-4 2 2 0 0 1 0 4zm-3 4a3 3 0 0 1 6 0H9z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}