iwaki Food Storage Containers, Heat-Resistant Glass, Airtight, Heat-Resistant Dishes, 11-Piece Set, Glass, Green PSC-PRN11G Deluxe Set, Extra Large, Iwaki, Stylish Set, Lids, Stock, Food Prep A set of simple food storage containers made of heat-resistant glass. Can be used in the microwave with the lid on, eliminating the need for plastic wrap and making it economical! The containers can also be used in the oven with the lid removed. The transparency allows you to easily see the contents. The containers are made of heat-resistant glass and will not discolor even when storing acidic or salty foods. Also, there is no worry about color or odor transfer! They can be sterilized with boiling water, making them safe. The simple design allows them to be used as tableware. Thank you for viewing. This is a new, unused, and beautiful item. It has been stored in a home warehouse. Please refrain from purchasing if you are sensitive to minor imperfections.