The Tom Bihn Side Hustle would work, except it's sold out at the moment.

https://preview.redd.it/jpw06mlow91b1.jpeg?width=800&format=pjpg&auto=webp&v=enabled&s=362621765fe1ae42a1fb7ef6f209ed2f8dde4fbb

If you're looking for something less expensive, Tomtoc sells a number of tablet cases on Amazon. And you can cut that price in half if you go with one of the generic brands (Moko, for example) sold on Amazon.