Perfumes are sold in a variety of bottle sizes which indicate the volume of fluid in the bottle, decant or vial of scent. They are typically measured in milliliters (ml) or ounces. When measured in ounces this is generally indicated by fl oz. or just oz.
Creating glass perfume bottle can be accomplished by one of two different processes – the Blow and Blow, or the Press and Blow process. Each process is chosen based on the kind of glass perfume bottle being made.
Perfume is very volatile, as long as there is a little gap, it will spread out. Therefore, after the perfume is used, the cap must be tightened to avoid the fragrance of the perfume from evaporating. When a bottle of perfume no longer smells, it completely loses its efficacy.