The Casabella Silicone Microeggâ„¢ is the perfect tool for making delicious egg sandwiches. The egg cooker holds up to two eggs which come out square shaped to perfectly fit your bread. Simply fill the cooker, close the lid, and set your microwave on high for 40-60 seconds for perfectly cooked eggs. Made from highest quality FDA approved food grade silicone. Dishwasher safe. Casabella cleaning tools, kitchen and bath accessories and organizing products have received numerous design awards and industry recognition for beautiful design and high quality workmanship. Casabella - Be Gourmet.