Misssing in shipping flat method “availability”

Hi there,

Can you send us a screenshot of what you are describing.
I put together some tipps for creating screenshots and screencasts: https://conschneider.de/screenshot-and-screencast-tools-equals-faster-support-reply/

please look at this
https://www.google.rs/search?q=flat+rate+woocommerce+availability&espv=2&biw=1920&bih=925&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiQxOOTs_PPAhUGWBoKHRr4BmsQ_AUIBigB#imgrc=TeNEN2qDeKwa-M%3A

and I have something like this
https://cldup.com/Uj3mtoeQ5F.jpg

I don’t know while I need “availability” in flat rate method–But I want for some category to forbidden shipping
sorry for bad English
Ana