Biologix 93-0400 Polypropylene 400mL Tri-Cornered Economy Graduated Beaker (Case of 100) Round, transparent, tri-corner beaker with molded graduations and three spouts, for general laboratory use Polypropylene for resistance to most chemicals, excellent dimensional stability, and can be sterilized Choice of sizes (800- and 1000-mL), and low form for a variety of low-volume applications Pour spout, stackable, and autoclavable at 121 degrees C