Two rectangular containers hold 40 fluid ounces (1.2 liters) each, about five cups, enough for a full dinner, a large salad, or leftovers from a batch cooking session. Each measures 8.2 by 6.1 inches, and the straight sided shape lines up neatly on a refrigerator shelf instead of leaving awkward gaps. When a container is empty, the food grade silicone body collapses from 3.1 inches to 1.4 inches tall, freeing more than half its height, then pops back to full depth in seconds. Snap lock lids with an airtight valve seal keep soups, sauces, and leftovers sealed in the refrigerator; when packing liquids for a lunch bag, keep the container upright. The silicone body handles minus 4 to 248 degrees Fahrenheit (minus 20 to 120 degrees Celsius), going from freezer to microwave (lid off or valve open) to the top rack of the dishwasher. The BPA free sage build resists odors and stains. Includes 2 containers and 2 lids.