<p><span>Extras are additional items that your customers can book along with the services. These may be </span><span>special tools, products, or resources for performing a service, or extra time if you set their duration.&nbsp;For more details, visit our <a data-mce-href="https://support.booking-wp-plugin.com/hc/en-us/articles/207647799-Extra-Products-Treatments-Service-Extras-Add-on-" href="https://support.booking-wp-plugin.com/hc/en-us/articles/207647799-Extra-Products-Treatments-Service-Extras-Add-on-" target="_blank" rel="noopener">help center</a>&nbsp;and check other <a data-mce-href="https://www.youtube.com/c/Bookly/videos" href="https://www.youtube.com/c/Bookly/videos" target="_blank" rel="noopener">video tutorials</a>&nbsp;to learn the basics and get the most out of Bookly.</span></p>