Clear Mark: glass dropping Pipettes are graduated in 0.25 ml increments with 0.25ml, 0.50ml, 0.75ml and 1ml lines clearly painted, makes it easy and accurate to measure out liquid. Size: 1ml 1cc capacity, dropper measurers length 4inches(Glass Pipettes Length: 3.05 inch, Rubber Bulbs Length: 1.2 inch) Pipettes: The pipettes are made of high luster glass and rubber bulbs, making it easy and accurate to measure out oil and liquid Wide applications: these glass droppers can be applied to measure or transfer essential oils, paint, stain, perfumes and more, or Use it as a glass eye dropper, a glass dropper for medicine, for arts and crafts, for lab measuring and more.