Low density polyethylene plastic droppers will not shatter like glass droppers and work great for transferring of fragrance oils or liquids. Add fragrance oil to your reed diffusers, potpourri, lightbulb rings, aroma burners and more. Our 6.1 inch, non sterile pipettes are graduated every 1/2 ml up to 3 ml. They come 6 to a pack and are disposable.