Notice: Not for Microwave, Oven or Dishwasher (Clean with mild soap and water). The lid is not airtight, it designed for dust proof and Keep fresh in fridge.Innovative Double-Layered Container: Stackable Storage Containers can save a lot of space in the fridge and easily organize your fridge, kitchen, pantry to store foods.Keep Food Fresh: The storage containers with Lids have vent system which can regulates the flow of air in and out, control the humidity inside of vegetable keeper, help prevent spoilage, keep fruits and vegetables storage longer in the refrigerator.Creative Design:The product can add more layer due to the creative design to save more space,storage more food.High Quality: Durable plastic construction stands up to every day use and is easy to clean with mild soap and water