My Opinion: I love the idea behind this as I know when your tray is down you have hardly any room to move comfortably. This holds it up on the back of the seat your tablet and drink. It is slim and works fine. I was sent a used one which I was surprised at.
See more at https://theairhook.com
Disclaimer: I received one or more of the products or services mentioned above for free in the hope that I would mention it on my blog. Regardless, I only recommend products or services I use personally and believe will be good for my readers. I am disclosing this in accordance with the Federal Trade Commission's 16 CFR, Part 255: "Guides Concerning the Use of Endorsements and Testimonials in Advertising.