---
product_id: 448112493
title: "Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth)"
brand: "mason jar lifestyle"
price: "463 zł"
currency: PLN
in_stock: false
reviews_count: 5
category: "Mason Jar Lifestyle"
url: https://www.desertcart.pl/products/448112493-leak-proof-platinum-silicone-sealing-lid-inserts-liners-for-mason
store_origin: PL
region: Poland
---

# BPA & plastic free, eco-safe Dishwasher, freezer & microwave safe 3.3mm thick platinum silicone Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth)

**Brand:** mason jar lifestyle
**Price:** 463 zł
**Availability:** ❌ Out of Stock

## Summary

> 🔒 Seal in freshness, seal out FOMO!

## Quick Answers

- **What is this?** Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) by mason jar lifestyle
- **How much does it cost?** 463 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/448112493-leak-proof-platinum-silicone-sealing-lid-inserts-liners-for-mason)

## Best For

- mason jar lifestyle enthusiasts

## Why This Product

- Trusted mason jar lifestyle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Friendly & Safe:** Say goodbye to plastic contact—pure silicone keeps your food fresh and chemical-free.
- • **Ultimate Leak-Proof Seal:** Transforms wide mouth lids into airtight, watertight champions—no spills, no mess.
- • **Premium Platinum Silicone:** Food-grade, BPA-free, and platinum cured for unmatched purity and durability.
- • **Versatile Fit & Easy Removal:** Fits multiple wide mouth lids with a handy tab for effortless lifting every time.
- • **Trusted Colorado Craftsmanship:** Family-run brand with top-tier U.S.-based customer support you can count on.

## Overview

This 10-pack of Leak Proof Platinum Silicone Sealing Lid Inserts fits wide mouth Mason jar lids (3" diameter, 3.3mm thick) and transforms them into airtight, leak-proof, and food-safe storage solutions. Made from BPA-free, platinum cured silicone, these reusable discs are dishwasher, freezer, and microwave safe, offering a durable and eco-friendly alternative to plastic or metal liners. Designed with a convenient tab for easy removal, they are perfect for preserving food freshness and preventing leaks during transport. Proudly crafted by a family-run Colorado company with exceptional customer service.

## Description

When I decided to invent this product, I was trying to solve two common problems with Mason jar lids: either they leak (like the plastic Ball lids), or they are not food safe (like many decorative lids). These discs solve both problems! The food only comes in contact with the silicone, and it makes many lids airtight and watertight. We have added a small tab to one side to make them easier to remove. When used with a solid lid, the tab should stick down. When used with a band only, the tab should stick up.They are made of 3.3mm thick, clear, food grade platinum cured silicone rubber. Glass and platinum cured silicone are 2 of the safest materials available for food contact!

Review: Der Artikel selbst ist absolut in Ordnung nur die Bestellbarkeit von nur einem Set ist unschön.
Review: These are perfectly acceptable Mason jar seals, but they are for standard-size lids, not wide-mouth lids. I elected not to return them because I can use them in other ways, but if you are looking for seals for wide-mouth Mason jars, this product is not it.

## Features

- FITS WIDE MOUTH LIDS: 10 Reusable Platinum Silicone Discs Make *Wide Mouth* (3" internal diameter and 3.3mm thickness) Ball plastic storage caps, Mason Jar Lifestyle stainless steel storage lids, and some other lids both leak proof and food safe! Not for canning.
- THE SAFEST OPTION: BPA and Plastic Free. Made of platinum cured silicone rubber, these seals are dishwasher, freezer, and microwave safe. Silicone is a safe, green, material for food contact, that does not leach chemicals. Platinum cured silicone is more expensive and higher purity than peroxide cured silicone.
- VERSATILE: Leak Proof, Airtight, Durable, & Better Design Than Competing Products! Perfect for fridge and freezer storage, pantry storage, transporting food or beverage without leaking, and much more! Prevent food contact with plastic or tin, line a straw hole lid for transport, replace your rusted metal flat lids, or line any type of cutout lid for candles or food. Now with a small tab to make them easier to remove.
- MULTI PURPOSE: Work perfectly with metal bands, Ball plastic storage lids, or Mason Jar Lifestyle stainless steel storage lids. Because silicone is a flexible material, they fit some other lids too (but not perfectly). If they seem a little too big for your lid, you can trim them with a scissors.
- COLORADO BASED COMPANY WITH TOP NOTCH CUSTOMER SERVICE: Buy with confidence from this family run, Colorado based business which offers exceptional customer service from our U.S. based Mason jar experts! We strive to delight you!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B017DTW5A8 |
| Best Sellers Rank | #2,653,243 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #58,234 in Jars & Containers |
| Brand | Mason Jar Lifestyle |
| Colour | White/Clear |
| Department | All Ages, Unisex |
| Global Trade Identification Number | 00736631115089 |
| Is Dishwasher Safe | Yes |
| Is Microwaveable | Yes |
| Item Weight | 212 g |
| Item model number | 1 |
| Manufacturer | Mason Jar Lifestyle |
| Material | Silicone |
| Net Quantity | 10.0 Count |
| Number of Pieces | 10 |
| Shape | Round |
| Style | Canning,Jar,Microwave |
| UPC | 736631115089 |

## Product Details

- **Brand:** Mason Jar Lifestyle
- **Colour:** White/Clear
- **Item Weight:** 7.5 Ounces
- **Material:** Silicone
- **Style:** Canning,Jar,Microwave

## Images

![Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) - Image 1](https://m.media-amazon.com/images/I/31Wl3Nf5z-L.jpg)
![Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) - Image 2](https://m.media-amazon.com/images/I/41-gAHDg99L.jpg)
![Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) - Image 3](https://m.media-amazon.com/images/I/41CXyO6KrWL.jpg)
![Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) - Image 4](https://m.media-amazon.com/images/I/41lrGQCGHVL.jpg)
![Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth) - Image 5](https://m.media-amazon.com/images/I/41m44RN2F9L.jpg)

## Questions & Answers

**Q: Is the silicone made in the usa?  thank you**
A: Our silicone lid liners for Mason jar lids are produced for us in China by an audited and inspected factory. They are made from uncolored, platinum cured, BPA free, food grade silicone. Thanks for your question, and feel free to direct any other inquiries to contact@masonjarlifestyle.com

**Q: Will they stand up to the heat of the steam inside a pressure cooker? I do not intend them for canning.**
A: They should, I've never head of any "pure" silicone rubber compound that couldn't withstand much more heat than the temperature reached in a pressure cooker (around 250 degrees F). But the "manufacturer" (actually more like "product designer") has posted contact email elsewhere (contact@masonjarlifestyle.com), so to be sure double-check with them directly.

**Q: Do these perfectly in the plastic ball lids like is shown in the pictures of the gaskets also sold by Mason Jar Life?**
A: Yes, these were designed to perfectly fit into the Ball plastic storage caps. They also fit many other lids for Mason jars. These liners have the advantage that they cover the entire surface of the lid, so no plastic is exposed to your food. They are also less flimsy than the rings, so I find they are easier to wash in the dishwasher. Both products seal the lids equally well.

**Q: can these be used for canning**
A: No, these are not safe to use for canning. They are great for fridge, freezer, and pantry storage.

## Customer Reviews

### ⭐⭐⭐ Review
*by K***E on 21 February 2020*

Der Artikel selbst ist absolut in Ordnung nur die Bestellbarkeit von nur einem Set ist unschön.

### ⭐⭐⭐ Review
*by B***A on 29 September 2022*

These are perfectly acceptable Mason jar seals, but they are for standard-size lids, not wide-mouth lids. I elected not to return them because I can use them in other ways, but if you are looking for seals for wide-mouth Mason jars, this product is not it.

### ⭐⭐⭐⭐⭐ Review
*by J***B on 17 June 2018*

Just put a pinhole through each of these silicone lid inserts about half an inch from the center, screw them onto the top of your jars with metal bands, and you've got yourself great airlocks for all of your lactic acid fermentation pickling! They work just like Masontops Pickle Pipes , but better and cheaper. Put the pinhole about half an inch from the center - not in the very center where the silicone is visibly dimpled in and thinner. The pinhole acts as a pressure relief valve, letting air through only when the pressure difference between the inside and the outside is great enough. During fermentation the lid insert bulges upwards, which tell you that a substantial pressure difference is required to push any air through the pinhole. That means the pinhole does not let any air leak through when the pressure difference is small, which means the lid inserts can still be used as regular jar seals when you're not fermenting. A bulge also tells you that the pressure inside the jar is higher than outside the jar, which means air can only move from inside to outside and nothing can get in. The pinhole won't get bigger over time, so the pressure relief valve's performance is maintained over the long term. The lid inserts fit perfectly inside metal bands or Ball plastic caps, so they are perfectly centered on the rim of your jar. They have a groove and ridge around the edge that holds them tightly in place and prevents them from pulling away from the rim of your jar when under pressure. They're thick, and easy to clean, and not too expensive. Pickle Pipes are worse in all of those respects. Pickle Pipes have a pressure relief valve that weakens over time. They are too small, and hard to center on the jar, so they can pull away from the rim during fermentation. They have no groove or ridge to hold them in place at the rim of the jar. I use these lid inserts for pickling vegetables for one week. I've done many batches and never had a problem.

## Frequently Bought Together

- Leak Proof Platinum Silicone Sealing Lid Inserts/Liners for Mason Jars (10 Pack, Wide Mouth)
- Mason Jar Lifestyle 5 Pack Stainless Steel Storage Lids with Platinum Silicone Liners for Wide Mouth Jars – Heavy Duty Caps for Mason Jars – Airtight & Leak-Proof Design
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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-25*