High-quality 15ml clear glass medicine bottle with precision 20mm diameter mouth. Made from pharmaceutical-grade borosilicate glass for superior chemical resistance and durability. Features a smooth polished rim for safe handling and leak-proof compatibility with standard dropper inserts. Ideal for essential oils, tinctures, lab samples, and liquid medications. Crystal-clear transparency allows easy content inspection. Suitable for professional compounding pharmacies, aromatherapy businesses, and DIY cosmetic manufacturers. Bulk packaging available for cost-effective large quantity orders. Autoclavable design meets sterilization requirements.