Tired of leftovers making a mess in your microwave? Try this glass microwave plate cover. Lock moisture into your food and keep your microwave clean with this easy to use microwave lid cover. Made of durable, non-porous borosilicate glass, this microwave plate cover won’t ever warp or discolor. Dishwasher safe and easy to use, you’ll wonder why you didn’t buy it sooner. 10"-Diam. x 3 1/2" High.