Bake, store and go all in the same container with the 4-Piece Pyrex Portable Bakeware Set. Great for brownies, cakes, marshmallow rice treats and other traybakes, this large baking dish comes with a cover to keep your treats fresh. When it's time to travel, simply pop the lidded dish into the carry bag and zip. Have a ways to go? No problem! The custom-sized temperature pack slips into the bag to keep your goodies temp controlled — whether you need to keep your marshmallows from melting or your brownies warm and gooey, this set has got you covered.