The reusable glass dropper bottle mouth has a screw thread finish that is paired with a black cap which fits tightly and can effectively prevent Leakproof Travel Bottles ensure your essential oils perfumes and liquids stay fresh without any messy leaks making it perfect for travel Perfume sample bottles safeguards your organic ingredients from degrading over time extending shelf life naturally The travel bottle with a dropper protects your important oils and tinctures from mixing with harmful materials to save your health Essential oil dropper bottles are used with essential oils colognes tinctures cosmetics perfume oils beard oils hair oils or other liquids Eye droppers allow for the right amount of product to be used each time If the dropper bottles are damaged during shipping contact us and you will get a satisfactory solution It has been scientifically proven to block harmful UV rays while allowing beneficial rays to preserve your contents longer dropper bottles preserve and rejuvenate the freshness of plantbased goods for over 6 months Dark Amber Dropper Bottles deliver shockingly powerful and superior protection over other glassware The 30ml 1 fl oz bottle is the perfect size for carrying essential oils and liquids on the go without taking up too much space Products have Dimensions of Height Height 41 Diameter of Bottle 125 Diameter of Opening 4