Upgrade your essential oil collection with this versatile bottle package, featuring 1ml, 2ml, 3ml, and 5ml sizes. Designed for convenience and durability, these bottles are perfect for creating custom blends, sampling new oils, or organizing your collection. The UV-protective glass ensures long-lasting freshness, while the secure caps prevent leaks. Whether you're a beginner or a seasoned aromatherapist, this set is a must-have for your toolkit.