Freezer & Dishwasher Safe: Withstands temperatures as low as 4°F (20°C) while preserving seal flexibility for freezer use Made from sturdy, 304 stainless steel for easy dishwasher cleaning Scent Controlled Storage: Designed for potent ingredients like fermented foods and spices, the vacuum seal of smells, ensuring fridge hygiene and authentic taste retention Adjustable Date Display: Includes a customizable date measure to monitor storage duration, helping reduce food waste and efficiently organize kitchen items Leakproof and Portable Design: Strong sealing keeps liquids securely contained, ideal for daily travel, outdoor picnics, and camping adventures when placed in bags or backpacks Advanced Vacuum Preservation Technology: Features an electric vacuum pump to effectively air, maintain nutrients, and minimize oxidation for meats, fruits, vegetables, and prepared dishes while and unwanted refrigerator scents