These disposable pipettes are very easy to use for tiny applications of liquid. You don't need to spend tons of time washing them out.   They will not cause cross contamination when you need to mix several fragrances or essential oils at one time.   Each dropper can hold 3ml liquid. The outer wall of the our transfer pipette is engraved with a scale, which can be absorbed in an appropriate amount liquid you need.   Soft head of the droppers provide good suction to retain fluids.   Wide range of applications for extracting essential oils, mixing fragrance, and homemade beauty products, watercolor painting, science experiments, industrial uses, feeding the baby animals, etc.      Application scenarios - scientific experiments, modeling, making watercolor paintings, etc.   Calibration Dial - Graduation is engraved on the outer wall of the straw for the right amount of absorption.   EASY TO USE - These pipettes are soft, flexible and easy to use, which can save you time mixing perfumes without cross-contamination.   PACKAGING AND COLORS - 1000pcs plastic pipettes for 3ml liquid, convenient and easy to use.   Safe and Reliable - Made of high-quality food-grade plastic, non-toxic and harmless, you can buy with confidence.   Capacity: 3ml   size: 15.5cm   Material: Plastic   colour: Transparent      Package Contents:    1000 x straws