Droppers 10ml Pipettes Glass Graduated Dropper Lab Pipette Liquid Pipette (6) Package contains: 6pcs 10ml glass graduated dropper + 6 large rubber caps+1 pcs 10ml dropper brush +2 pcs 20cm glass stir rod. Product specifications: dropper length - 20cm/7.9 inch, rubber cap length 6cm/2.4 inch. Blue suction ball: made of high quality rubber, non-toxic and odorless. Glass droppers with high quality: the dropper is made of lead-free glass with corrosion resistance. Clear reading lines on the pipettes' wall: Number from 1-10 from mouth to head. Glass wall is printed with clear and precise scale, easy for you to measure the liquid.