Where can I find replacement hardware?

I would try on here, reword your inquiries if you don't find it the first time example bail closing for canning jars.... hope this helps

Are these for canning?

I would say no. These are gaskets that seal by pressure of the top lid against the jar rim. For canning you need the heat seals that create a vacuum seal like the Ball brand canning rings and inserts.

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Silicone Replacement Gasket, Airtight Rubber Seals Rings for Mason Jar Lids, Leak-Proof Canning Silicone Fitting Seals for Glass Clip Top Jars (Blue, 10pcs)

Silicone Replacement Gasket, Airtight Rubber Seals Rings for Mason Jar Lids, Leak-Proof Canning Silicone Fitting Seals for Glass Clip Top Jars (Blue, 10pcs)

Product ID: 345369104

Details

Brand
Gemhill
Color
Blue 10pcs
Material
Silicone
Product Dimensions
4"L x 4"W
Style
Compact

💧Airtight & leak-proof seal

🔵Fits standard 3-inch mason jar lids

♻️BPA-free, reusable & durable silicone

¥2433

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Description

🔵 Lock in freshness, unlock your kitchen’s potential!

MULTIPURPOSE MAGIC - Ideal for canning, fermenting, storing, and transporting food without leaks—your kitchen’s versatile MVP.
ECO FRIENDLY SAFE - Crafted from BPA-free, food-grade silicone that resists odors, flavors, and withstands freezer to heat.
EFFORTLESS MAINTENANCE - Soft, smooth silicone rings that clean easily with warm soapy water—ready for your next batch.
ONE SIZE INFINITE USES - Perfectly fits all standard regular-mouth mason jars from 0.35L to 2L with a snug, stretchable fit.
SEAL IN FRESHNESS SEAL OUT WORRIES - Create an airtight, liquid-tight barrier to keep your preserves fresher, longer.

These 10-pack blue silicone replacement gaskets provide a durable, BPA-free airtight seal for standard 3-inch mason jar lids, ensuring leak-proof storage for preserves, fermented foods, and more. Designed to fit jars from 0.35L to 2L, they are reusable, easy to clean, and perfect for millennial home chefs who demand both functionality and eco-conscious quality.

Specifications

ASIN	B09NKXZGY7
Best Sellers Rank	#151,999 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #775 in Canning Lids
Brand Name	Gemhill
Color	Blue,10pcs
Customer Reviews	4.7 4.7 out of 5 stars (1,491)
Item Dimensions L x W	4"L x 4"W
Item Weight	2.4 ounces
Manufacturer	Gemhill
Manufacturer Part Number	CanLid6
Material Type	Silicone
Model Number	6
Number of Pieces	10
Product Style	Compact
Shape	Ring
UPC	612769726536
Unit Count	10 Count

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¥2433

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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