1Adjustable Vents: Each reservoir is designed with adjustable vents that change the stream of air in and out, control the humidity inside and prevent spoilage.2Stackable: Organizing bins feature a stackable layout, storage containers to maximize the use of your kitchen and refrigerator. Your pantry can be more organized and tidy.3PET Material: Fridge containers use PET material to make this refrigerator container more durable, clear and odor free. Easy to clean and won't absorb stains or odors4Application: Keep food new for maximum freshness and taste. Great for lettuce, carrots, cabbage, strawberries, kiwi, lemons, citrus and more.5Applicable Scenarios: Pantry storage bin is portable, you can take it with you to outdoor, school, office or anywhere you like, great for refrigerator, picnic party, work lunch, travel, etc.