Manual Pump Preservation: The included hand operated vacuum device eliminates oxygen to create a protective barrier, extending food freshness by reducing exposure Strong Food Safe Build: Made from sturdy ABS suitable for food, this preservation container resists everyday while shielding contents from Easy to clean and maintain for long lasting kitchen use Spacious Interior: With 4.6 liters of generous capacity, this storage container easily accommodates multiple baked goods, making it great for family meals or everyday use The roomy interior adapts to various food shapes and serving sizes Date Tracking Feature: Easily monitor food condition with the practical date function Adjust the display to note storage dates and follow proper consumption timelines for best taste Complete Set: This 4.6L food storage container includes a manual vacuum pump and date tracking feature, providing a total for keeping baked goods at optimal condition