This new set of measuring cylinders consists of four cylinders. One each of 25ml, 50ml, 100ml, and 250ml. They are made of borosilicate glassware, are durable and heavy.Measuring cylinders provide a greater degree of accuracy in measuring than beakers or flasks. This sale is for one of each of the four items listed.Powered by eCRATER . List your items fast and easy and manage your active items.