Pyrex Measuring Glass 0.5L The Pyrex Measuring Glass 0.5L is a practical tool in the kitchen. The clear black lettering makes it easy to read the unit of measurement. This measuring glass is perfect to use for measuring liquid ingredients. The glass is also handy for weighing out flour rice, and sugar. What's more, the glass can easily go in the oven, microwave, freezer and dishwasher.