Lid Adapter
This precision-fit adapter attaches to the Mason Genie base unit, allowing it to seal regular-mouth mason jars just as easily as wide-mouth ones. Twist it on, place it over your lid, and the Genie does the rest, giving you airtight seals across your entire jar collection.
We are obsessed with your satisfaction and truly believe you'll love this product. That's why your order is secured with our 100% satisfaction guarantee.
If for some reason you're not completely satisfied with your order, we will offer you a full refund excluding the return shipping cost. Simply reach out to our customer success team at support@masongenie.com.
We ship fast — your order will be packed and sent out within 1 business day!
🇺🇸 United States
All U.S. orders ship domestically and typically arrive in 2–6 business days, depending on your location.
🇨🇦 Canada
Canadian orders are shipped from our Toronto warehouse, so you'll avoid cross-border delays. Delivery typically takes 2–6 business days.
🌎 International Shipping
We also ship to: Australia, New Zealand, the United Kingdom and most countries in the European Union.
For international customers, all duties and import fees are prepaid by us. You won't pay anything extra on delivery — no surprises, ever.
