Silicone is an insulator and will not help in the cooking process. EASY TO USE AND CLEAN UP- Just 5 minutes to have perfectly poached eggs. Nonstick coating make cleanup a synch. Patent number D035,274.
The photo is quite deceiving, The image appears to be of cups which are of generous size and more flat which would be nice for Eggs Benedict or breakfast sandwiches. Rather, they are small and shaped similar to egg bite muffin molds so you end up with a rounded shape. Not what I wanted so plan on returning. Very disappointed.