Suit for: polypropylene barrel plunger for measuring and dispensing fluids, suit for lab use and experiments Sterile wrapped: every syringe is individually sealed, clean, safe and sterile, good for essential oil, science lab, industrial, applications of inks, perfume, lubricants, sealants, etc. Wide usage: these sterile syringes are suit for refilling, measuring, garden watering and essential oil separator, etc. Package included: come with 4 pack measuring syringe in this package, enough for use or replacement Warm note: the syringes are for industrial use only Each syringe is individually sealed, clean and sterile. 4 packs of measuring syringes are packed, enough for use or replacement. The syringe can be cleaned after each use, making it easy to use next time. The plunger works smoothly and the rubber tip on the plunger seals tightly. Clear gradient markings, beautifully printed, and black measurement markings on the sides for easier reading. These syringes have many uses. notes: For industrial use and animal husbandry only. Suitable for scientific laboratory and industrial ink storage. Drip: When making handicrafts, you can use needle painting glue to drip. Ideal for experiments, storing essential oils, lubricants, perfumes and sealants, etc.