This 10-piece glass lunch box set contains 10 individual 22-ounce (dimensions: 6.7 inches x 4.9 inches x 2.1 inches) covered lunch boxes, suitable for meal preparation. It can freeze cooked food for later consumption. The lunch boxes are made of high-quality borosilicate glass, which is sturdy and durable. They come with a snap-on sealed lid with a silicone gasket, which can extend the food's shelf life, prevent leakage, and make the lid resistant to damage and long-lasting. The product is easy to use and maintain, and can be placed in a microwave, refrigerator, dishwasher, and oven. Just be sure to remove the lid before placing it in the oven or microwave. Additionally, the lunch boxes are stackable, which can save kitchen space and keep the refrigerator and cabinets tidy and organized.