A:AnswerJust asking that question probably means you are not a casual user. 32 GB is the minimum. More memory installed means a higher price for the iPad. Get the most memory for your anticipated uses. Number crunching, Adobe apps, video and music apps require more memory to use without waiting for them to finish one thing before they can begin something else.
A:AnswerI bought this case on Amazon...
Fintie Rotating Case for New iPad 7th Generation 10.2 Inch 2019 - [Built-in Pencil Holder] 360 Degree Rotating Smart Protective Stand Cover with Auto Sleep/Wake for iPad 10.2",
They have many colors