https://www.cnet.com/news/apple-smart-keyboard-folio-will-make-your-new-ipad-a-work-station/

The Smart Keyboard Folio will come in a variety of sizes suited for the different iPad Pro configurations. The model for the $799 11-inch iPad Pro will cost $199. The Keyboard for the $999 12.9 inch iPad Pro will cost $179. 

Combined with the new Apple Pencil, the Keyboard Folio should allow you to use the iPad more flexibly, and the new iPad Pro has impressive specs on its own with an A12X Bionic graphics chip, Face ID and USB-C charging that can also charge out so you can give your iPhone a boost using your iPad's battery. The updated iPad Pro hits stores starting Nov. 7 along with the new Smart Keyboard Folio.