Measuring Capacity: The glass dropper measures 77x7mm/3.03x0.28inch, with a rubber head length of 30mm/1.18in. The capacity is 1ml, made of transparent glass with clear scale markings at 0.25ml, 0.50ml, 0.75ml, and 1ml for accurate measurement. How to Use: Before use, position the rubber squeeze head on the glass dropper properly. Squeeze the rubber bulb to draw in the liquid. Premium Material: The dropper bulb is made of high-quality rubber. The dropper is constructed from thick borosilicate glass, offering high transparency and durability. Dishwasher safe. Wide Application: Ideal for measuring and transferring liquids in various applications such as science experiments, arts and crafts, skincare, essential oils, painting, pet care, and more. Color: Transparent Material: Glass Package Contents: 2x plastic tube 2x dropper 1x brush Note: The package includes only the items listed above. Other items are not included. Note: Due to lighting and display differences, the color in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3cm.