Sur La Table 20-Piece Glass Storage Container Set S/20, Set of 20 A safe and environmentally responsible alternative to plastic containers, our glass storage set offers an assortment of container shapes and sizes to turn even the most chaotic pantry into an organized, well-oiled cooking machine Our glassware is highly resistant to thermal shock and is safe for use in the oven, freezer, microwave and dishwasherso its great for storing extras, reheating leftovers and more Clip-on lids and silicone gaskets ensure a secure seal and make it easy to store leftovers or take a meal on the go Made In China