A:AnswerThere were only two sizes at Walmart so I bought the larger one. I didn't realize there were holes at the bottom so it help a little but I'll check online for hole-less ones next time.
A:AnswerI do not think it allows for a liner. The item specifically states not to use aluminum foil or parchment paper, so I assume no liner would be advised. The tray and drawer are easy to wash by hand or in dishwasher.