Wide usage: these sterile syringes are suit for refilling, measuring, garden watering and essential oil separator, etc. Multi-Use: These syringes can be used for a wide range of applications, including refilling perfumes, cosmetics, essential oils, or even for DIY crafts. Sterile wrapped: every syringe is individually sealed, clean, safe and sterile, good for essential oil, science , industrial, applications of inks, perfume, lubricants, sealants, etc. Suit for: polypropylene barrel plunger for measuring and dispensing fluids, suit for use and experiments Package included: come with 5 pack measuring syringe in this package, enough for use or replacement