Specification: Capacity: 3ML, length: Approx. 15. 7CM, Quantity: 5pcs. Disposable and clean. Very useful tool in life .Great quality: Good thickness, very durable and sturdy, easy to suck in liquids, not flimsy like other droppers on market .Easy to use and great suction power: just squeeze the plastic pipette bulb to expel air inside as much as possible, essential oils/liquid can easily get into the bulb, fill up to 3ML and retain fluids in the dropper .Easy to read graduation: every number is marked clear, easy for you to read the capacity, good to measure out your oils, lab liquids, save your time when mixing your blends .