1.: Made of high-grade glass, our mason jars for overnight oats are lead and BPA- and perfect for preserving the freshness and integrity of your stored food. Holding up to 16 oz of content, they are the glass jars with lids for food storage. 2.Airtight Seal: Our glass jars with airtight lid keep the contents fresh for a long time, preventing any possible leaks. Whether you use them as overnight oats containers with lids or yogurt containers with lids, the specially designed lid will give you a hassle- transport experience. 3.Unique Design: The edge guard on our oats overnight glass jars with lids and the unique recessed top make them stackable, optimizing storage space without risking stability. Using our overnight oats jars is now easier than ever! 4.Refrigerator and Freezer Safe: Our glass overnight oats containers with lids are designed to withstand cold temperatures, making them perfect for zer storage. Our iconic textured lid enhances grip, making it as simple as possible to open, even when ice-cold.