30ml Cosmetic Packaging Straight Round Closure Type Plastic rotary press Dropper Bottles with Silver Aluminum Press Button Pipette Dropper Cap Also named Push-Button Pipette Dropper Bottles. It can be as dispensers for medicine cabinet items, home made serums, as essential oil bottles, storing perfumes, chemistry lab chemicals, and other apothecary products. Jars are detachable and reusable, they can be cleaned and washed in warm soapy water.