The 30ML Clear Dropper Bottle with 18MM PP Smooth Dropper, Glass Tube, Silicon Black Rubber Teat, and Wiper Plug ensures precise, controlled dispensing of liquids. The smooth dropper allows for easy application, while the silicon black rubber teat and wiper plug minimize leakage and provide a secure seal. The clear bottle offers excellent visibility of contents, making it ideal for oils, serums, and other cosmetic liquids.