STOP MESSY STOVETOP BOIL-OVERS! Perforated shield prevents spills when cooking potatoes, oatmeal, pasta or any other starch-based liquid—even at a full boil. Just place over the top of your pot! BPA-free melamine is dishwasher safe and heat--resistant to 280º F. 13¾" L.
It does not work. Everything I try it on, didn't work.