CrystalCruz® Disposable Glass Pasteur Pipettes are made of flint glass for use in inoculating culture media and general sampling. Glass pasteur pipettes are disposable and suitable for various transferring applications. The straight tip of pasteur pipette can easily be flame bent and constricted for ease of plugging. Disposable Glass Pasteur Pipettes are available in 5.75" and 9" length, and both have an O.D. of 7+/-0.5 mm at the top.