100x Self-Sealing Silicone Rubber Stoppers for 13mm Bottles
Keep your glass bottles securely sealed with these self-sealing silicone rubber injection port stoppers. Designed specifically for 13mm glass vials and bottles, each stopper features a self-sealing design that allows needles or cannulas to pierce through and reseal automatically — making them ideal for lab use, homebrewing, fermentation, essential oil storage, DIY projects, and more. The soft, flexible silicone construction ensures a snug, airtight fit every time.
For guidance on safe handling of laboratory supplies and chemical storage, visit the OSHA Laboratory Safety resources.
A: These self-sealing silicone rubber stoppers are designed to fit 13mm glass bottle necks and vials, providing a snug, airtight seal for secure storage and injection port access.
A: Self-sealing injection port stoppers are commonly used in laboratory settings, homebrewing, fermentation, DIY projects, and essential oil storage. The self-sealing design allows a needle or cannula to pierce through and the stopper automatically reseals, keeping contents secure.
A: Yes, the high-quality silicone rubber construction allows for repeated use. The self-sealing port is designed to reseal after each piercing, though replacement is recommended if the stopper shows signs of wear or deformation over extended use.
A: Each pack contains 100 silicone rubber self-sealing stoppers, making this an excellent value for bulk laboratory, brewing, or DIY supply needs.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
At the heart of every product lies a unique story, driven by our passion for quality and innovation. Each item enhances your everyday life and sparks joy.
