> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/yaymail/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/yaymail/addons/pdf-invoices-and-packing-slips-by-wp-overnight.md).

# PDF Invoices & Packing Slips by WP Overnight

[YayMail Addon for PDF Invoices & Packing Slips by WP Overnight](https://yaycommerce.com/yaymail-addons/yaymail-addon-for-pdf-invoices-packing-slips-by-wp-overnight/) allows you to customize templates generated by PDF Invoices & Packing Slips by WP Overnight plugin in YayMail interface.

**REQUIRED: Here are the WordPress plugins you'll need for this guide.**

* WooCommerce
* YayMail (free/pro)
* [PDF Invoices & Packing Slips for WooCommerce](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/)
* [WooCommerce PDF Invoices & Packing Slips Professional](https://wpovernight.com/downloads/woocommerce-pdf-invoices-packing-slips-professional/)
* [YayMail Addon for PDF Invoices & Packing Slips by WP Overnight](https://yaycommerce.com/yaymail-addons/yaymail-addon-for-pdf-invoices-packing-slips-by-wp-overnight/)

<figure><img src="/files/t1VOU3TnhhUtAlIpVBGP" alt=""><figcaption></figcaption></figure>

YayMail Customize allows you to leverage YayMail’s elements and shortcodes to enhance these templates, creating a more polished design and a consistent look across all email templates on your site.

<figure><img src="/files/RQaxcEQ6x9yxsEcAByLF" alt=""><figcaption></figcaption></figure>

And don't forget to enable and save those templates.

Happy customizing! 🪄