The 15ML Amber Dropper Bottle with 18MM PP Knurling Dropper - Black is designed for precise and controlled dispensing of essential oils, serums, and pharmaceutical liquids. Crafted from UV-protected amber glass, it ensures product stability and longevity. The black PP knurling dropper provides a firm grip for easy use, while the glass tube, silicon black rubber teat, and wiper plug enhance precision and prevent leakage. Ideal for cosmetic, medical, and laboratory applications.