Grolsch Gaskets Silicone Rubber 100pc Pack - Swing Top Bottle Seals -

Standard replacement rubber gaskets for swing top bottles are made with ordinary rubber and often too thick at 1/8" (ours are 1/10")
Regular flat style rubber gaskets will allow gas to escape between the nub and the gasket. The tapered neck design of our silicone gaskets works to provide a tight seal around the nub of the swing-top.
Getting a good fizzy brew requires good gaskets. Replace all your swing top seals with our pack of 100 food grade silicone rubber seals.
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Made with durable food grade silicone
1" diameter, 0.1" thickness
Fits most types of swing top bottles
Tapered neck design for a tighter seal around the nub of the swing-top