16.5" Tall, Base 5", opening diameter 3".
EISCO polypropylene graduated cylinders with hexagonal base. It is autoclavable. It is made of single piece polypropylene. 1000mL capacity. 10mL Graduation. 
*An autoclave is a strong heated container used for chemical reactions and other processes using high pressures and temperatures, e.g. steam sterilization. Primarily used for lab and scientific experiments.