Premium Quality Glass Construction: Our 6-pack 16 oz Overnight Oats Containers are made from premium high-grade glass, ensuring durability and safety for all your food storage needs.Super Airtight Sealing: Each glass jar features airtight lids that create a perfect seal, keeping your overnight oats, snacks, yogurt, and spices fresh for longer periods.Stackable Design: Designed with a stackable structure, these wide mouth mason salad jars maximize your refrigerator and pantry space, allowing you to organize your food containers efficiently.Versatile Storage Solution: These glass food storage containers are not only ideal for overnight oats but also perfect for storing snacks, yogurt, spices, and sugar, making them a versatile addition to your kitchen.Freezer & Refrigerator Safe: Our containers are designed to withstand both cold and freezer temperatures, providing a safe and convenient solution for meal prep and food preservation.