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

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

🔒Leakproof airtight seal

🧼Dishwasher safe durability

♻️Reusable BPA-free plastic

37012CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔒 Seal it. Store it. Show off your savvy storage game.

SAFE SOUND STORAGE - Crafted from premium BPA-free, phthalate-free plastic to keep your food and drinks toxin-free.
GRIP GO CONVENIENCE - Faceted sides provide an easy, non-slip grip—no more struggling to open or accidental jar rolls.
VERSATILITY MEETS STYLE - Transform your jars into chic organizers for everything from beauty supplies to office essentials.
BUILT TO LAST READY FOR LIFE - Durable plastic lids that never rust or warp, dishwasher safe and freezer friendly for everyday hustle.
SEAL IN FRESHNESS SPILL NO MORE - Precision silicone gasket guarantees a leakproof, airtight seal for worry-free liquid storage.

Masontops Tough Tops are BPA-free, reusable wide mouth mason jar lids designed with precision silicone gaskets for a leakproof, airtight seal. Made from durable plastic that resists rust and warping, these dishwasher-safe lids offer easy grip faceted sides and versatile use for food, crafts, and more—perfect for the modern professional seeking stylish, safe, and sustainable storage solutions.

Specifications

ASIN	B01KU0HMY6
Best Sellers Rank	#2,497 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #27 in Canning Products
Brand	Masontops
Brand Name	Masontops
Closure Type	Screw Top
Color	White
Customer Reviews	4.6 out of 5 stars 4,625 Reviews
Included Components	Masontops Tough Tops - Wide Mouth Mason Jar Lid - White - BPA-Free Plastic Screw Caps - Reusable Airtight Storage Covers
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
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 Pieces	1
Product Dimensions	3.5"L x 3.5"W
Product Style	Compact
Shape	Round
Style	Compact
UPC	829188000110
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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37012CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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