These food storage containers feature a date-tracking lid mechanism to help monitor storage duration and support timely consumption. The airtight design uses button-activated lids with integrated silicone gaskets to minimize air exposure and preserve freshness. Constructed from clear, high-grade plastic, they allow quick visual identification of contents without opening. Their stackable structure employs interlocking concave and convex bases for stable vertical arrangement, optimizing cabinet, pantry, or countertop space. All containers are dishwasher safe except for the lids, which require hand washing. The set includes 4 practical capacities-0.4 L, 1.0 L, 1.6 L, and 2.2 L-suited for dry goods like grains, sugar, nuts, beans, and snacks. They function equally well in refrigerators, cabinets, drawers, or on open countertops. The transparent material and uniform shape support consistent, clutter-free organization across diverse kitchen environments. Color: Green.