1. 30 PCS DROPPER WITH STORAGE BOX: Come with 30 pcs 3ml disposable droppers for oils and a plastic jar. All pipettes are packaged in a clean box which can keep the droppers clean, convenient for storage, no more mess, and very convenient for use. 2. FOOD GRADE PLASTIC: Made of high quality food grade plastic. Our science droppers feature a leak proof design that prevents spills and waste, ensuring maximum efficiency and accuracy in your work. Secure to use for you and your family. 3. ACCURATE AND EASY TO TRANSFER: The outer wall of our essential oil pipettes is engraved with ml, and the graduated markings are easy to read, which can be used to absorb the appropriate amount of liquid you need. Not only suitable for daily use at home but also ideal for the laboratory. 4. SOFT AND GREAT SUCTION: These disposable droppers suction appropriately and can hold the stated amount of liquid. It's not flimsy like other transfer pipettes on the market. Expel all the air from the tip in the correct way, you can suck up 3ml of liquid at a time.