Easy to use, easy to clean and reusable. Avoid deformation. 50ml dispensing capacity is perfect for travel and skin care. Strong leak-proof performance with tightly closed screw cap. Rounded bottom design of dropper makes it easy to use and dispenses liquids accurately to avoid waste. Perfect for any form of liquid, including pharmaceutical dropper glass. Features -Color:Black -Material:Glass, Plastic, Silicone -Size(Tube):8.90X0.90X0.90cm/3.50X0.35X0.35in -Size(Lid):2.30X2.20X1.60cm/0.90X0.86X0.63in -Size(Silicone Head):2.30X1.70X1.70cm/0.90X0.67X0.67in -Size(Entirety):10.60X2.30X2.30cm/4.17X0.90X0.90in -Clear glass dropper for easy observation of essential oils. High sealing to keep essential oil fresh and active. -Can be used for any form of liquid, including pharmaceutical dropper glass. Suitable for scientific experiments and all types of crafts. - long-term stability and reliability. Anti-drip, essential oils will not spill and waste. -Black rubber ball is very durable and long term use. This dropper bottle locks tightly to keep the liquid fresh and active, can experience better results. -Lightweight and portable, easy to carry around for travel use. Convenient to use essential oils anytime, anywhere and easily with various skin problems. Package list: 12 x Droppers