Turnover days allow you to block 1 or 2 days after a booking to give you time to prepare for the next booking.
You can set turnover days for Airbnb using the setting which is found under the Channel Settings.
To get to the Channel Settings that applies to all properties visit https://app.lodgable.com/AccountSettings/view/#!/applications/manage/2 or if you want to update just one property visit that properties details page and navigate to the Channel Settings link on the left side.
Scroll down until you see the Turnover Days option and select how many days (1 or 2) you'd like between bookings. The Turnover Days option might be found on the next page of the settings.