They are Okay…
"I have about 4 of these and use them all time. . but, a couple of them have a bend in them that I have to constantly try to bend out, and because of this bend the middle spaces have gaps when connecting to the tubes. I use them, because the price is right and it is what I have. But I don’t love the trays. I also wish the lip around the edge was a little bit higher."

