Precise Measurement: Featuring a 20cm length and a 5.5cm rubber cap, these glass pipettes are graduated for easy measurement from 1 to 10 ml. The 2mm tip hole ensures accurate dispensing without drips, ideal for laboratory and crafting use. Durable Material: Constructed from lead-free, corrosion-resistant glass, these droppers ensure longevity and safe usage. The high-quality rubber cap enhances suction, making these pipettes a reliable choice for handling various liquids. User-Friendly Design: Each pipette comes with a cleaning brush, making them easy to clean and maintain. The detachable rubber bulbs and clear glass structure allow for thorough cleaning, ensuring they are ready for reuse in any setting. Versatile Applications: Perfect for transferring essential oils, fragrances, medicines, pigments, and more. These droppers are essential for skincare routines, perfume modulation, handmade beauty products, art projects, and scientific experiments. Essential Tool for Precision: Whether you are a scientist, artist, or DIY enthusiast, these glass droppers are indispensable for accurately measuring and dispensing liquids, aiding in precise applications across various projects. Color: Picture Color Material: Glass Package Contents: 4* dropper 2* cleaning brush