Freshness stored! Extremely durable, practically unbreakable due to its tempered glass material. Air/water tight seal (4-point safety cap), with no leaks and unpleasant odors. Can be used directly from freezer to microwave. Suitable for electric oven up to 120ºC (without the lid) and safe for microwave and refrigerator/freezer. Safe and healthy for storing food. Easy to clean in a dishwasher.