The 20ML Clear Dropper Bottle with 18MM PP Knurling Dropper - Black is designed for precision and durability. It features a glass tube and a silicon black rubber teat with a wiper plug, ensuring accurate dispensing and preventing leakage. The PP knurling dropper provides a comfortable grip and enhances control while dispensing liquids. Ideal for essential oils, serums, and other liquid formulations, this dropper bottle is widely used in cosmetic, pharmaceutical, and laboratory applications.