The Zwilling Fresh & Save vacuum box is designed to keep food fresh up to 5 times longer than conventional storage, preserving flavors and nutrients. This saves time and money while reducing food waste. Easily seal the container with a compatible FRESH and SAVE vacuum pump; it automatically stops once sufficient air is removed. The stackable meal preparation boxes are versatile and safe for use in ovens, microwaves, freezers, and refrigerators. Made from borosilicate glass, they are also dishwasher safe and feature a modern design suitable for serving. Each box lid includes a QR code for tracking freshness status via the intelligent ZWILLING app. Package includes: 1x ZWILLING vacuum box, glass, Size M (0.9 L, 19 x 11 x 9 cm), La Mer. Materials: Borosilicate glass (container), BPA-free plastic (cover), silicone (valve and seal).