... :45mm 3)Neck size:18mm 4)Weight:88g An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from ... for any medical, pharmacological, or culinary purpose, as the essential oil is high volatility liquid, so the conservation is very important ... .We can supply 5ml, 10ml, 15ml, 30ml, 50ml, 100ml, eseential oil dropper bottle available in Amber, Blue, Green and White. 100ML ...