DescriptionGlass material, high corrosion resistance, strong and durable, hightransparency. The droppers allow you to measure ingredients accurately. A handy tiny vessel to assist handling smoothly. In theprocess of experiment , can bring much convenience to you.Features- Color: As shown. - Material: Glass. - Size: About 9.50X1.00X0.50cm/3.73X0.39X0.20inch. - Which means that you'll get accurate measurements with this dropper. - Our glass droppers are easy to clean and dishwasher safe. - What that means to you is less time cleaning and that ultimately means more time to enjoy other things! - The 1ml capacity calibrated droppers make it easy and accurate to measure out medication. - Professional and practical design with beautiful appearance, easy to carry and use.