10ml Amber Glass Dropper Bottle with Leak-Proof Cap Our 10ml Amber glass dropper bottle is engineered for premium liquid packaging such as essential oils, serums and tinctures. Combining a leak-proof closure system with OEM custom color capability, it helps your brand stand out on the shelf while safeguarding every drop during transit. Key Features Leak-Proof Performance: Precision-molded neck finish (18/410) with a food-grade silicone gasket and tight-tolerance dropper