Not a "custom" fit
The material quality seems fine, but this is not a custom fit. There is a good half inch to an inch gap on both sides. The cut seems to not match the Hummers windshield shape, other than the hieght seems to be a good match. Also the cut out for the rear view mirror is probably larger than what it needs to be.
Quality Sun Shade
I have a Hummer H3 and I've never been able to find a sun shade that will fit it, until now. This Covercraft Car Sun Shade is great. It fits perfectly... however, putting it on every time is a bit inconvenient. For one thing, the rear view mirror needs to be moved every single time I put on and take off the sun shade. This is because the material it's made of is not flexible. This is not the one that you can roll-up, but rather fold. Actually, I purplosely chose this one because of its sturdiness, so I don't mind having to move the mirror. It's quality is like no other I've seen at the stores, although I did find it a bit pricey, which may be discouraging to many people who are having a hard time during this economy. Other than that, I highly recommend it to anyone who has a Hummer H3.