About this item:
Package contains: 4 pcs 10ml glass graduated dropper + 4 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 a clear and precise scale, easy for you to measure the liquid.