Glass Dropper With Black Suction Bulb, Medicine Eye Droppers 3" Straight Tip Calibrated For Essential Oils, Science Laboratory Medicine Art Liquid Plant Nutrients

Package: include 4pcs medicine droppers with 1 mL Capacity, 4’’ (total length including rubber cap). Pipette Droppers are graduated in 0.25 mL increments with .25ml, .50ml, .75ml and 1 ml markings to give you precise measurements and accurate blend ration. Black rubber head (pipette dropper's bulb) is easily removable to allow cleaning and making it easy to get the right amount of fluids into the dropper without dripping or spilling.. The dropper's bulb is 100% natural rubber which provides a good suction, pinch the rubber cap to let inside air out, release to fill liquid, and pinch to let the liquid out.. Wide applications include transferring liquid in precise measurement, blending essential oils, measurements of fertilizer, can be used at Medicine Art Laboratory Lab etc.