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Say goodbye to worries about rust or corrosion with this durable, reliable and rust-proof Plastic Ring + Cap! Fits perfectly with all Mason Bottle products and snaps secure over all Mason Bottle drink tops, including our Silicone Straws!
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$7.99