Feature 1High quality rubber material is durable in use and ensures long service life. 2It is mainly used for pipette to quantitatively extract liquid in the laboratory. 3It can also blow off the powdery substance in the sealed container, safe to use. 4Sufficient blowing effectively blows off more dust, more convenient to use. 5Smooth tapered tip reduces tissue trauma, more strong and sturdy, increasing suction.SpecificationCondition: 100% Brand NewItem Type: Ear Washing BallMaterial: RubberCapacity: 90mlApplication: In the laboratory, the ear wash ball is mainly used for pipette to quantitatively extract liquid. The ear wash ball can also blow the powdery substance in the sealed container.Top to Bottom Height: Approx. 114mm / 4.5inBall Diameter: Approx. 59.8mm / 2.4inWeight: Approx. 126g / 4.4oz Package List3 x Ear Washing Ball