does the gasket comes off every time I open the lid?

No the gasket remains inside the lid within a given area. This is not a two piece lid like traditional Mason Jar lids. The gasket can be removed for cleaning. That said I was not happy with these lids. They leak unless you tighten them down so much they become very difficult to remove; especially if a hot substance creates a vacuum.

where are these made?

According to the packaging the company is in Canada and the tops are made in China.

Are they heat resistant?

Yes silicone is safe -50 to 500

Can silicone seals be purchased separately?

I bought normal metal inserts to use with these.

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🔐 Lock in freshness, unlock your jar’s potential!

VERSATILITY MEETS STYLE - Transform your mason jars into chic organizers for beauty, crafts, hardware, and more—perfect for home or office.
BUILT TO LAST RUST FREE - Durable BPA-free plastic resists rust and warping, outlasting traditional metal lids.
EFFORTLESS GRIP NO SLIP - Faceted sides provide an ergonomic grip that’s easy to open yet prevents rolling mishaps.
READY FOR ANY ENVIRONMENT - Dishwasher and freezer safe for ultimate convenience and longevity.
SEAL IN FRESHNESS SEAL OUT SPILLS - Precision silicone gasket guarantees a leak-proof, airtight lock for worry-free storage anywhere.

Masontops Tough Tops are BPA-free, wide-mouth mason jar lids featuring precision silicone gaskets for a leak-proof, airtight seal. Designed with faceted sides for easy handling, these durable plastic lids resist rust and warping, and are dishwasher and freezer safe—perfect for versatile, long-lasting storage solutions at home or on the go.

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AR$143529

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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Manufacturer	Masontops
Part Number	TT4W
Product Dimensions	8.89 x 8.89 x 0.25 cm; 141.75 g
Item model number	DIB-602964
Size	Tough Tops 4PK (Wide Mouth)
Colour	White
Style	Compact
Material	Plastic
Shape	Round
Item Package Quantity	1
Number of Pieces	1
Included Components	Masontops Tough Tops - Wide Mouth Mason Jar Lid - White - BPA-Free Plastic Screw Caps - Reusable Airtight Storage Covers
Batteries included?	No
Batteries Required?	No
Item Weight	142 g

Masontops Tough Tops - Wide Mouth Mason Jar Lid - White - BPA-Free Plastic Screw Caps - Reusable Airtight Storage Covers

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