Apple Smart Keyboard for 10.5-inch iPad Pro – US English Price: $73.94 (as of 02/06/2019 08:12 PST- Details) & FREE Shipping.

It’s a full-size keyboard that’s fully portable, and it connects to iPad Pro with the Smart Connector
Just attach the Smart Keyboard and start typing. And when you’re done, it folds to create a slim, lightweight cover
Compatible with iPad Pro 10.5-inch

Usually ships in 24 hours