UPSTORE 6 Pcs 20ml 0.7oz Amber Glass Essential Oil Bottles with Orifice Reducer and Black Cap, Glass Sample Bottles, Refillable Empty Storage Containers for Aromatherapy, Perfume, Cosmetic Liquids

["Package Includes: 6 amber glass bottles with black dual-hole caps, 20 ml size: 2.9 cm x 7.5 cm / 1.14 inch x 2.95 inch","Amber Glass Material: Made of amber glass that helps reduce light exposure, keeping light-sensitive liquids stable. The glass is reusable and easy to clean","Dual-Hole Cap Design: The specialized cap features a center drip hole for precise, drop-by-drop dispensing and a side inlet for mess-free refilling. No spills or wasted product","Secure Screw Cap: The tightly threaded screw cap forms a reliable seal to help reduce leaks and spills. Safe for storing in bags, luggage, or bathroom cabinets without worry","Versatile Storage: Excellent for essential oils, perfume blends, carrier oils, and other liquid preparations. A practical solution for home use, travel, or professional settings such as salons and aromatherapy practices"]