Wow - something different and it's from Tesco. Here's the artfully artless label. The dish itself comes in a tupperware-like transparent plastic container, which may be reusable.
Obviously, it's not the best paella you'll ever have, but it's really pretty good. Decent amounts of chicken and prawn, and plenty of peas and red pepper in with the rice. The chorizo's not great, mind, and the rice isn't quite there.
But still, certainly one of the best readymeals you'll find. I think the price was around £3.
And here's how it looks on the plate (the veg on the right are my addition).