High-quality borosilicate glass container. Lid with double sealing system. Includes a vacuum valve compatible with the Smart vacuum pump (Ref.: 69690). Designed to preserve fresh foods and prepared recipes in a vacuum. 100% airtight closure. Preserves flavors and retains nutrients. Includes a rack for defrosting frozen foods and draining condensation. Suitable for storing food in the refrigerator and freezer. Also suitable for both the oven and microwave (without lid and rack). Body, lid, and rack are dishwasher safe. Stackable container: optimizes space in your kitchen. 100% BPA-free.