Revised review: I've had this a couple of months and it is rusting on my patio :( I didn't think it would do that so I'm pretty sad. I have two of them and it's the same result. Now I have to find something to put under them. Reduced review from 5 stars to 3. 

Nice base. Does the job most of the time. The umbrella  still flips if there is a big gust, but that's not a problem with the base. That's because it isn't big enough.