The 20ML Blue Dropper Bottle with Type - 2 White Cap and Big Hole Dropper Set is an excellent choice for storing essential oils, serums, and other liquid formulations. The big hole dropper allows for easy and controlled dispensing, while the white cap ensures an airtight seal, preserving product freshness. Made from premium-quality blue glass, this bottle offers superior UV protection to maintain the integrity of light-sensitive liquids.