I haven't tried the strap or the pen holder but I needed a sturdy and not too thick case because I keep my mini next to my bed and it might fall off the table when Sleep. I find it to be a solid item and well made, although opening and closing the entire case takes a bit of time and it's not too difficult to use the buttons. It's more of a case if you travel a lot with your iPad Mini, but I have no problem using it at home since it stays in my bedroom.
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