20 pieces plastic dropper

Package Includes 20 pieces plastic dropper, the droppers are designed with clear scale APPLICATION SCENARIOS - science experiment, modeling, making watercolors, etc. CALIBRATED DIAL - The outer wall of the straw is engraved with a scale, which can be absorbed in an appropriate amount. PACKAGE AND COLOR - Translucent white Plastic Pipettes, can hold 2ml liquid, convenient and easy to use. Easy To Use - Soft, pliable and easy to use, these pipettes could save your time when mixing your fragrances, no cross contamination. SAFE AND SECURE - Made of high quality food grade plastic, non-toxic & harmless, you can buy it with confidence.