This one fits it pretty well. I've been using it nearly daily for over a year and it still looks/works great.
https://www.amazon.com/Lacdo-Shockproof-Samsung-Protective-Keyboard/dp/B00RK1JVSY/ref=sr_1_3?crid=26UPADEOWGKZR&keywords=lacdo%2B10%2Binch%2Bsleeve&qid=1638487312&sprefix=Lacdo%2B10%2Celectronics%2C200&sr=8-3&th=1