15ML Blue Dropper Bottle with Type - 3 Black Cap and Big Hole Dropper Set. This premium-quality blue glass dropper bottle comes with a secure black cap and a big hole dropper, ideal for dispensing essential oils, serums, and cosmetic formulations. The durable glass construction ensures product safety and integrity, while the large hole dropper allows for easy and precise application. Perfect for skincare, aromatherapy, and liquid formulations.