✔ Glass Pipette Dropper Size--Pipette length - 20cm, rubber cap length 5.5cm and wide 3.5cm, tip hole diameter 2mm
✔ Dropper Material--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
✔ Graduated Pipette--Graduation is very precise, clear and professional, the calibration marks are easily readable, easy for you to measure the liquid
✔ Uses--Glass liquid dropper can be used for chemical experiments, school teaching, handmade soap DIY. Glass droppers are reusable after cleaning, better than plastic droppers