Description:Foam Silicone Stoppers: Made of silicone, flexible and durable, with good resistance to chemicals, acid, and alkali resistance, high-temperature resistance, will not dissolve and swell in acidic liquids Great Fit and No More Drips: Good insulation and sealing performance. Silicone stoppers come in a variety of sizes, ensuring a snug fit for any bottle, glasswareTapered Design: The tapered shape allows for a secure push-in fit into holes and openings of different sizes. Push the stopper into the desired opening for an instant, leak-proof sealVersatility Used: Whether you are sealing your reagent bottles, glassware, or industrial use, silicone stoppers have got you covered.
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