Stainless steel container 18/10, suitable for the microwave. Glass lid with vent for air circulation. ClipLock system: The 4 locking clips keep the lid securely in place and ensure its tightness. 100% airtight thanks to the removable silicone seal that the lid has. Lightweight and durable: ideal for storing food and transporting meals anywhere. Hygienic and antibacterial: does not transfer odors or flavors to the food. Container suitable for microwave and oven. Container and lid are dishwasher, refrigerator, and freezer safe. Stackable: space-saving in the kitchen. Eco-friendly, reusable, and BPA-free.