Pyrex Essentials — three indestructible measuring cups that can handle both the freezer and the oven. Clear markings in ounces and milliliters, a convenient pouring spout, and sturdy handles make them indispensable in the kitchen. Need to melt butter or warm milk? Straight into the microwave! Tempered glass doesn’t absorb odors and withstands temperature changes. Buy once — use for years, maybe even decades!