Set of 4 thermal shock resistant bowls with airtight lidsPortion, store, freeze, warm, and serve homemade baby foodFreezer, fridge, dishwasher, microwave, and oven-safe up to 450° FLeakproof snap-on lids keep food freshFeatures measurement marks for easy portion controlMultipurpose bowls can be used to store baby food, soup, snacks, and morePerfect for home, daycare, and on-the-goMade with durable borosilicate glass 5x tougher than regular glass