Material: The pipette droppers are made of high-quality glass, and the rubber head is made of food-grade silicone, durable and non-toxic. Our glass pipette droppers have precise and clear graduation.
Easy to Clean: The dropping pipettes are easy to disassemble and assemble for cleaning. The rubber head of the glass pipette is removable, so it can be cleaned and air dried between uses.
The scale pipette comes with clear scale, making it easy to read and featuring accuracy.
Uses: products can be used for chemical experiments, school teaching. Glass droppers are reusable after cleaning.