Mom put this lid over a glass bowl and nuked the shit out of that rice for 20 minutes. I'm pretty sure there was water in there.
It was effortless and perfect.
These are easy to clean, amazingly reusable, wonderful in place of plastic wrap over a bowl and all kinds of great as a frisbee.
Agile-Shop Steam Ship Silicone Steamer Lid Food Covers, Pack of 3 via Amazon