Item# PMP1ML0005 These 1.0 ml micro pipettes produce very fine drops. They are disposable, shatterproof, made from LDPE (low density polyethylene). LDPE is nontoxic and chemically inert. The tips can be heat sealed to create an air tight storage container. These are great for dispensing essential oils, perfumes, and other liquids by the drop. The dispensing tip is so small that it fits into standard size orifice reducers, like those found on tiny essential oil bottles. They can be used to refill standard essential oil dropper bottles (with orifice reducers or Eurodropper tops) without removing the plastic dropper insert from the bottle. Total capacity: 1 ml Bulb draw: 1 ml Graduation marks: non-graduated Material: LDPE Length: 4 inches (10.5 cm) Units per pack: 5 NOTE: Unlike the other pipettes we sell, the tips of these pipettes are very thin and flexible and tend to bend easily. The packages from the factory often contain some pipettes with bent tips. This is normal for this product and does not hinder its functionality. Bent tips can usually be straightened out easily, but often end up bending again because they are so thin and flexible.