A dropping pipette, sometimes called a pipette dropper or medicine dropper, is used in labs, classrooms, and clinical settings to transfer liquid and release it one drop at a time. The volume of the drop is determined by the dropper opening and is usually designated as a volume range. Graduated dropping pipettes have graduation marks on the body of the dropper to provide rough volume measurements. A disposable plastic dropper pipette is economical, unbreakable, and available as sterile or non-sterile. Glass dropper pipettes are chemically inert, reusable, sterilizable, and can be modified with a flame to suit the needs of the user. Things to consider when selecting dropping pipettes include the ability to sterilize, convenience and disposability, durability, capacity, drop size, and the liquid that will be handled.