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, glassware
Tapered 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 seal
Versatility Used: Whether you are sealing your reagent bottles, glassware, or industrial use, silicone stoppers have got you covered. They are the multi-purpose sealing solution for lab experiments and DIY projects

Specification:
Product Name: Tapered Lab Seal Plugs
Material: Silicone
Bottom Diameter(small-end): 11mm / 0.43-inch
Top Diameter(big-end): 15mm / 0.59-inch
Body Height: 28mm / 1.1-inch
Package Content: 12 x Tapered Lab Seal Plugs