- Important Note: This product is NOT dishwasher safe and NOT microwave safe. Please avoid placing it in the dishwasher. It operates effectively in temperatures ranging from -30℃ to 60℃, making it suitable for both refrigerator and freezer use. - Set of 6: Includes two 7L containers and four 2L containers, all with secure lids. The dimensions are 5.6” x 5.6” x 4.6” for the medium containers and 12.4” x 6.4” x 5.7” for the large containers. - Smart Lid Design: Each lid features an on-off switch that regulates the flow of oxygen and carbon dioxide. This design helps prevent odors from mingling and maintains optimal storage conditions for various foods, ensuring they stay fresh longer. - High-Quality Materials: Made from durable PET material, these containers are BPA-free and food safe. They are easy to clean with mild soap and water; please do not use a dishwasher. - Efficient Organization: The clear construction allows for quick visibility of contents without opening each container. The raised edge around the lid ensures stability when stacked, creating space-saving vertical storage in closets, shelves, and cabinets. Maximize your storage space effortlessly. - Practical Applications: Ideal for meal prep, storing leftovers, organizing pantry items, or keeping snacks fresh. These containers are perfect for anyone looking to enhance their food storage solutions while keeping their kitchen tidy and organized.