Cook, carry and serve hot or cold dishes easily with the Pyrex Portables double-decker set. The carrier and unipack help keep foods warm or cold. Simply freeze or heat the hot/cold unipack and place it in the carrier to help keep your food at your desired temperature. nonporous glass won't absorb stains or odors easy-snap lids are BPA-free plastic insulated, nylon mesh carrier 9-piece set includes: 3-qt. oblong pan and lid two 6-cup rectangle storage dishes and two lids 171⁄2x121⁄2x61⁄2 carrier 2 large hot and cold packs Glass/nylon/plastic. Oven, microwave, refrigerator, freezer and dishwasher safe. Made in America.