Product review (4 stars): They're great to work with and cleanup is a breeze
These liners fit my oven perfectly. Installation took about 3 seconds. The convection/toaster oven and microwave took a little more time since I had to cut one of the three liners to fit. The remaining liner I'll try on my grill or cut it to fit some of my baking sheets. I have a couple I already use  for cooking bacon and baking cookies. They're great to work with and cleanup is a breeze.