Wide usage: These sterile syringes are suit for refilling, measuring, garden watering perfume dispenser pump and essential oil separator. Reusable use: Perfume dispenser can be refilled use,store most pastes and liquids. Sterile wrapped: Every syringe is individually sealed, clean, safe and sterile, good for essential oil, science , industrial, applications of inks, perfume, lubricants, sealants. Applicable scene: Polypropylene barrel plunger for measuring and dispensing fluids, suit for use and experiments. Material: Perfume sample bottles made of plastic,which is safe and convenient to use in daily life.