Amber glass bottles are very suitable for home, laboratory testing and beauty salons store aromatherapy, essential oils, body oils, perfumes, reagents and other liquids. Amber glass boston round bottles to keep liquid sensitive to light degradation, prevent cosmetic oxidation. Brown glass bottles are tight sealing, no worry about leaking, gold collar and black silicone bulb are easy to wash and can reused to use. Amber glass aromatherapy bottle with premium pipette, complete control of the bottle bottom liquid intake and release, not waste the essential oil. 10ml bottle size: 25mm(dimeter) * 81mm (height), 20ml bottle size: 29mm (dimeter)* 94mm (height), perfect sizes for travelling or holiday handbag.