If you use these with tin plated steel lids, the grommets will collect water and encourage rust. You should remove them each time you wash the lid. Stainless steel lids don't have this problem.
Made of food grade silicone rubber.
For a leak proof experience, be sure your lid is also sealed where it meets the jar.
Family-Centric Expertise
US-based, family-operated business focused on quality and community.
Expert Customer Care
Friendly, knowledgeable support from your trusted mason jar experts.
Eco-Friendly Innovation
Our products are free from toxins and designed to promote sustainability.
Unbeatable Selection
The widest array of premium mason jar accessories in the market.
Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
PARTICIPATING BRANDS AND CUSTOMERS HAVE HELPED FUND
44+million
Carbon-neutral orders
31+thousand
Tonnes of carbon removed
THAT'S LIKE...
4billion
Smartphones charged
130million
Kilometers driven by a gasoline-powered car
HOW IT WORKS
Every delivery’s carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
MAKING A DIFFERENCE
With your purchase, you’ll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 44 million deliveries and removed over 31 thousand tonnes of carbon.
FUTURE-PROOFING OUR PLANET
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
