This Gemplers 10-oz. Precision Measuring Tube is a tapered polypropylene cylinder measuring tube that produces highly accurate measurements from 1 to 10 fl. oz. and from 25 to 300ml. Gemplers Polypropylene Measuring Tubes are backed by our Quality Guarantee. See our href=' Product Guarantees page for full details. Pack of 5. Gemplers 10-oz Polypropylene Measuring Tube | 5 Pack