Airtight Seal: The airtight seal mechanism ensures the preservation of freshness and flavor in your food items, be it pasta, cereal, rice, or snacks. Maintain your ingredients at their peak for extended periods.::Bpa-Free & Food Grade: This kitchen storage containers set is crafted from high-quality degradable food-grade plastic, ensuring BPA-free, non-toxic, stain-resistant material that resists odors. Safe for dishwasher, freezer, and microwave (lids opening).::Multifunctional Container For Kitchen: Ideal for a wide range of occasions and food items, including transporting meals to school or the office, picnics, meal prep, lunches, salads, sandwiches, cookies, cereal, and much more.