10ml Graduated Glass Dropper Pipette 5 Pack for Essential Oils Lab Work Easy to Use and Clean: These clear glass droppers are equipped with brush for easily to clean, are reusable after cleaning, detachable rubber bulbs, rinse glass pipette stems with warm water.Large Graduated Pipette Dropper --Pipette length - 20cm, rubber cap length 5.5cm and wide 3.5cm, tip hole diameter 2mm. Each graduated glass dropper has a precise and legible scale, easy for you to measure the liquid from 1 to 10 ml. Absorbing the right amount of liquid into the dropper without dripping.Various Demand Liquid Dropper Measured: Whether you're a scientist, artist, or DIY enthusiast, these eye droppers are essential tools for accurately measuring and dispensing liquids in your projects.Glass Dropping Pipettes: Glass eye dropper is made of lead-free glass with corrosion resistance. With blue cap, and the cap made of high quality rubber, non-toxic and odorless, strong suction. The glass dropper is durable compared with plastic pipettes.Glass Droppers Application: can be applied to transfer various liquid, essential oil, fragrance, medicine, pigment etc. doing skincare, modulating perfume, making handmade beauty products, painting, art, science project/experiment etc.