Packaging and color: translucent white plastic straw, can hold 3ml liquid, easy to use Dial: The outside wall of the straw is engraved with a scale, which can be absorbed appropriately Application scenario: Suitable for laboratory, school classroom, scientific experiment to make watercolor perfume essential oil Safety guarantee: Made of high quality food grade plastic, non-toxic and harmless, rest assured to buy Easy to use: Soft and easy to use, these pipettes can save you time