Product review (5 stars): BUY THESE - THEY ARE WORTH THE INVESTMENT & CAN BE USED OVER & OVER AGAIN!
These inserted trays are GREAT in that they  contain the spillage from foods that run out of your pans; allowing you to clean them up and limiting the mess that typically is found on the underneath the stove under the pans, thus making clean-up easier & less messy. The diamond-like coating makes clean-up easy and the end result is a really do clean tray, not just partially.  Just use dish detergent & water, then towel dry and re-insert.  A clean kitchen is important since this is where food is prepared, so a clean stove is imperative.  Cheaper trays wind up being disposable and after a few tosses in the garbage, you could have bought these, which will last and last and last.  Save yourself time, money and disappointment while keeping your stove clean.