If you are used to reading or watching something before going to bed, this hightly flexitble yet strong phone / tablet holder is very good choice. The padded cushion on for the bottom part makes it look bulkier. But if you want to make sure your bed side table or under the matress setup, you may enjoy the additional grip it may provide. Powerful magnet on the holder and metalic strips comes with makes it suitable for most tablets such as iPad , Kindle and Surface.
I also have started using these as a video player while i am working some documents on my laptop. While using it as car navigational device holder may be a overkill, can certainly useful for back-seat video to keep your kids from getting restless:). Give it a look at https://www.amazon.com/gp/product/B079H441YG/