Our #0 Silicone Stoppers offer a professional-grade seal for high-precision applications. Engineered to fit openings from 12.5mm (bottom) to 16mm (top), these bungs are perfect for sealing laboratory test tubes, small infusion jars, or specialized spirit bottles. The Grab Ring option provides extra leverage for effortless removal from narrow-necked glassware, ensuring a safe and spill-free experience every time.
Integrated Grab Ring: The extended pull tab allows you to remove the stopper from deep or narrow necks without needing prying tools that can damage delicate glass.
Medical-Grade Purity: Crafted from 100% food-grade silicone that is BPA-free and non-porous. It won't leach chemicals or absorb odors, preserving the purity of your samples or spirits.
Hermetic & Airtight Seal: The Solid variant creates a true vacuum seal, protecting contents from oxidation and evaporation during long-term storage or reactive experiments.
Heat & Chemical Resistant: Built to withstand repeated autoclave sterilization and harsh cleaning chemicals, providing far greater longevity than standard black rubber stoppers.
