Product Details1.⭐Empty sterile-vials for injection: Sealed rubber top facilitates needle insertion and larger opening increases target area for needle penetration.2.⭐Good sealing: The equipped aluminum cover and rubber stopper ensure the tightest seal and reduce the possibility of sample evaporation. This crimp-top bottle provides an excellent seal for long-term sample storage and allows the analysis of even the most samples. Used in conjunction with aluminum bottle stoppers, it is suitable for storing any liquid or solid to prevent-impurities from entering.3.⭐Material: These mini vials are made of solid glass, more resistant to thermal shock (temperature range: -20~120℃ / -4°F ~ 248°F). Comes with a secure-fitting plastic aluminum caps. Equipped with a butyl rubber stopper that is durable, washable, reusable and corrosion-resistant.4.
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