This square container is made of food-grade silicone of professional quality. Each individual compartment contains 125 milliliters /4 ounces and 250 milliliters /8 ounces, making it easier and more convenient to portion out broths, soups, sauces and other quantified liquid foods. It is suitable for frozen soups, leftovers, smoothies, sauces, broths, stews, ice cubes, baked goods, etc. The transparent lid makes it convenient to view the food inside. Essential for every kitchen.