As I was browsing the new Napastyle catalog, I came across these interesting silicone sealing lids. Apparently they can fit almost every kitchen vessel from salad serving bowl to sauté pan. While they look a little bulky, I love the idea of the lids as they omit the need for tupperware! My only concern is they come in such large sizes with no lid smaller than eight inches. Still, I'm curious to see how functional these are. What do you think of the lids? Useful or useless?