Oven safe for your cooking and reheating convenience Transparent glass for easy view of container's contents A complete set; so don't worry about mixing and matching containers anymore Stackable for easy storage Set includes: (1) 5oz Rectangle w/lid; (1) 16oz Rectangle w/Lid; (2) 32oz Rectangle w/Lids; (1) 58oz Rectangle w/Lid; (2) 14oz Square w/lids; (2) 30oz Square w/Lids. Glasslock containers are made of silica, soda ash, limestone and other natural components, making them eco-friendly and recyclable. They're BPA-free and do not contain any harmful environmental hormones. These containers' transparent and clear glass design makes it convenient to identify the content and will look great in any kitchen. Glasslock delivers the flexibility of using it for the microwave, freezer, dishwasher, and oven. They're odor-free, stain-proof, as well as protected from air and liquid. These containers come with easy latching lids that bring more convenience in storing your food.