Storing Food is a SNAP! From bringing meals on the go to storing tasty homemade treats for later, OXO Good Grips SNAP Glass Containers are the perfect way to keep your meals fresh. This Set features 4 borosilicate glass Containers with matching leakproof lids. The Containers are made of thermal shock-resistant borosilicate glass, so they can be kept in the refrigerator or freezer, and they can go straight into the microwave or oven for reheating.