Do you have an eBay store?

If so, To turn on your Store holiday settings:

Go to your Messages page and click the Change settings link on the top right side of the page.
In the Store holiday settings section, select Turn ON.

If you'd like to hide your fixed price listings and prevent buyers from making purchases from them while you're away, select Hide and block purchases from my fixed price listings.

If you'd like buyers to see a return date, select Display a return date, and enter a date in the box provided.

In the Message to display on your storefront section, edit the default text if you would like to customise it.

Click the Apply button.