Celltreat 250ml graduated beaker, polypropylene, non-sterile, 50/case features: molded pouring spout prevents drips extended lip for gripping stacking ribs provide separation so beakers will not stick together when stacked angled walls for easy handling and sample retrieval small case quantities versus industry standard are easier to store and ideal for small-scale users polypropylene material is resistant to a variety of strong acids, bases, and solvents case quantity of 50