Lekue 6.6-Inch Sandwich Buddy, Blue The sandwich case rigid structure protects its contents, and thanks to its flexibility it can be fitted to different volume, always assuring that the food is perfectly held; write your name in the space provided Silicone wrapper seal in freshness and protects the sandwich; no more plastic bags and aluminum foil Flexible so holds petite to large sandwiches Bag made of silicone and from made of polypropylene; No more plastic bags and aluminum foil Dishwasher safe