Disposable Polystyrene BeakerCups feature 4-way pouring spouts. These versatile BeakerCups are resistant to dilute or weak acids, bases and alcohols. They can be used to 200°F. BeakerCups are extensively used as general purpose sample containers in the laboratory. Smaller BeakerCups (5ml, 10ml, 20ml, and 50ml) are ideal for with atomic absorption, flame photometers, and blood cell counters. 150ml and 250ml sizes are graduated in milliliters and ounces.