Pipettes are made of glass with rubber bulbs for easy and accurate measurement of oil and liquids. Capacity and size 1 ml (1 cc) capacity Total length: 4 inches Glass pipette length: 3.05 inches Rubber bulb length: 1.2 inches Clear markings for precise measurement Graduated in 0.25 ml increments Markings at 0.25 ml, 0.50 ml, 0.75 ml, and 1.00 ml are clearly painted for easy reading Key benefits Enables precise, repeatable measurement of small volumes Simple transfer of liquids with a comfortable grip Clear graduations improve accuracy and reduce measurement guesswork Use scenarios Preparing essential oil blends, aromatherapy formulations, or cosmetic recipes that require small, exact volumes Dispensing precise amounts of reagents or liquids in DIY lab projects, crafts, or experiments Measuring and adding tiny portions of culinary oils or other liquid ingredients in recipes and formulation work