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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Masontops Tough Tops - Ball Wide Mouth Mason Jar Lids Plastic Leakproof - BPA-Free White Plastic Mason Jar Lids - Reusable Dry Canning Lids fit Ball Jars (Ball Mason Jars not included)

Product ID: 37391859

Details

Brand
Masontops
Color
White
Material
Plastic
Product Dimensions
3.5"L x 3.5"W
Style
Compact

🔒Leakproof airtight seal

🧊Dishwasher & freezer safe

♻️Reusable BPA-free plastic

156.39 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Lock freshness, unlock possibilities with Masontops Tough Tops!

SAFE SOUND STORAGE - Crafted from premium BPA-free, phthalate-free plastic to keep your food and drinks toxin-free.
GRIP GO CONVENIENCE - Faceted sides ensure effortless opening without sacrificing the airtight seal or risking spills.
VERSATILITY MEETS STYLE - Transform jars into chic organizers for everything from beauty supplies to office essentials.
BUILT TO LAST READY FOR ANYTHING - Durable plastic lids that never rust, warp, and are dishwasher & freezer friendly for everyday hustle.
SEAL IN FRESHNESS LEAK OUT WORRIES - Precision silicone gasket guarantees a spill-proof, airtight lock for your liquids and leftovers.

Masontops Tough Tops are BPA-free, reusable wide mouth mason jar lids featuring a precision silicone gasket for a leakproof, airtight seal. Designed for durability, these white plastic lids resist rust and warping, are dishwasher and freezer safe, and offer easy grip faceted sides. Perfect for safely storing liquids, food, and organizing essentials, they upgrade your mason jars into versatile, stylish containers.

Specifications

ASIN	B01KU0HMY6
Best Sellers Rank	#2,219 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #31 in Canning Products
Brand	Masontops
Brand Name	Masontops
Closure Type	Screw Top
Color	White
Customer Reviews	4.6 out of 5 stars 4,694 Reviews
Included Components	Masontops Tough Tops - Wide Mouth Mason Jar Lid - White - BPA-Free Plastic Screw Caps - Reusable Airtight Storage Covers
Item Dimensions L x W	3.5"L x 3.5"W
Item Type Name	Mason Jar Lid
Item Weight	5 ounces
Manufacturer	Masontops
Manufacturer Part Number	TT4W
Material	Plastic
Material Type	Plastic
Model Number	DIB-602964
Number of Packs	1
Number of Pieces	1
Product Dimensions	3.5"L x 3.5"W
Product Style	Compact
Shape	Round
Style	Compact
UPC	829188000110
Unit Count	1 Count

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156.39 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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