The 15ML Amber Dropper Bottle with Type - 1 Black Cap and Big Hole Dropper Set is ideal for dispensing essential oils, serums, and liquid formulations. The UV-protected amber glass preserves product potency by shielding against light exposure. The Type - 1 black cap ensures a secure closure, while the big hole dropper allows for a faster and controlled flow of liquids, making it perfect for cosmetic, pharmaceutical, and laboratory use.