【8-PACK GLASS CONTAINERS WITH LIDS】The capacity of rectangular container from small to large is 200ml(6.8oz), 370ml(12.5oz), 640ml(21.6oz), 1040ml(35.2oz). The capacity of square container from small to large is 150ml(5oz), 320ml(10.8oz), 520ml(17.6oz), 800ml(27.1oz)(Please allow 3 - 5mm in differs due to manual measurements, your understanding will be much appreciated). This product set includes 2 types and 8 sizes perfect for your different needs: picnic, camping, leftovers, portion control and more. 【LEAK PROOF DESIGN】Our containers is designed with the snap lock and silicone seal, you can safely carry food out in your backpack or store it in the refrigerator without worrying about leakage or odors from the container. The containers are great for keeping food fresh and the surroundings clean. 【OVEN/MICROWAVE SAFE & FREEZER SAFE & DISHWASHER SAFE】Houbobo glass food storage containers is made of high-quality borosilicate glass which can withstand temperatures from −20℃ - 400℃, you can use them in oven/microwave/dishwasher(Not the lids) and freezer storage without worrying about them breaking. 【BPA FREE & EASY TO CLEAN】The material of BPA-Free ensure the food safety and the transparent glass material allows you to see clearly inside the container. It's also easy to clean without absorbing stains or smells when you reuse it. 【EASY TO STORE】These containers are the right size, so they don't take up too much space to carry around or store at home. If you want to save more space, the containers can be stacked(not stack containers without separating by plastic layer or something else to avoid friction and breakage). They are your little helpers for home and kitchen organisation.