As a design engineer, I'm always looking for better products. This tray is the bomb! It's listed at 1.5mm thick. I measured 0.0575 inches (1.46mm), so close enough! It's very thick. I ordered two 28"x28" trays @ $129 each - that were also stainless steel, but they were super thin. Even with the folded over edge, they were easily bent by hand. Not this one. It took me 6 Dremel cut off wheels to cut the 3 1/4" circle for the drain. This tray is no joke. It also came very nicely packaged to preventSee full review