I have a couple of different styles of grill baskets, but this one is by far the best. No, it isn't non-stick - which I don't want at the heats I'm putting these over anyway. You get a lot of flat surface area with the rectangular shape. The square sides also mean that whatever you put in it won't try to slip up over the sides when you're giving it a shake or toss with tongs like some of the angled side pan-style toppers will.
This holds up well to use directly over ripping hot charcoal and the handles are very sturdy. Pair this with a good pair of high heat BBQ gloves and you're all set!