---
product_id: 386833850
title: "70 mm Foam Lid Liner Pressure Sensitive Seal Round Jar Sealer Bottle Seals Heat Resistant Foam Cap Torque Activated Safety for Protection Safety Jar Cap Bottle Vial Tamper Gasket Kit(100 Pieces)"
brand: "tondiamo"
price: "S$38"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/386833850-70-mm-foam-lid-liner-pressure-sensitive-seal-round-jar
store_origin: SG
region: Singapore
---

# 2.75-inch diameter fits most jars Heat resistant foam liner Torque-activated adhesive for tamper-proof seal 70 mm Foam Lid Liner Pressure Sensitive Seal Round Jar Sealer Bottle Seals Heat Resistant Foam Cap Torque Activated Safety for Protection Safety Jar Cap Bottle Vial Tamper Gasket Kit(100 Pieces)

**Brand:** tondiamo
**Price:** S$38
**Availability:** ✅ In Stock

## Summary

> 🔒 Seal in Freshness, Seal Out FOMO!

## Quick Answers

- **What is this?** 70 mm Foam Lid Liner Pressure Sensitive Seal Round Jar Sealer Bottle Seals Heat Resistant Foam Cap Torque Activated Safety for Protection Safety Jar Cap Bottle Vial Tamper Gasket Kit(100 Pieces) by tondiamo
- **How much does it cost?** S$38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/386833850-70-mm-foam-lid-liner-pressure-sensitive-seal-round-jar)

## Best For

- tondiamo enthusiasts

## Why This Product

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

## Key Features

- • **Tamper-Evident Security:** Torque-activated adhesive ensures your product stays fresh and untouched.
- • **Ultimate Freshness Lock:** Blocks dust, moisture, and odors to keep contents pristine and leak-free.
- • **Effortless Airtight Seal:** No induction machine needed—just twist and wait 24 hours for a perfect seal.
- • **Universal Fit for Every Jar:** Designed to snugly fit round-mouth containers from glass to plastic with ease.
- • **Bulk Pack for Pro-Level Efficiency:** 100 premium foam liners to keep your kitchen or business running smoothly.

## Overview

This pack of 100 white, 2.75-inch diameter foam lid liners features torque-activated adhesive for a tamper-evident, airtight seal on most round jars and bottles. Heat resistant and easy to apply without special tools, these BPA-free polystyrene foam seals protect contents from dust, moisture, and leaks—ideal for preserving everything from spices to baby food.

## Description

Features: Professional sealing technique: There are torque activated adhesive coated with the jar liners, you can center your seal on the jar to apply the cap and wait for 24 hours to adhere. There are no need for induction sealer, shrink band, heat gun or other tools. Fresh keeping helper: Pressure sensitive seals are a quick and easy way to avoid your product from being tampered with, and to keep the products in the bottle fresh and clean by providing an airtight seal. Specifications: Material: polystyrene foam liner Size: about 2.75 inches in diameter Color: white Quantity: as picture shown Warm notes: Manual measurement, please allow slight errors on size. Please check the size carefully before order. The colors may exist slight difference due to different screens, lighting conditions.

## Features

- Package Content: there are 100 pieces of bottle seals with a diameter measuring about 2.75 inches and a thickness measuring about 0.02 inches, which is suitable for most bottles of various materials
- Trustworthy Material: our pressure seals coated with torque activated adhesive, with self adhesive sealing function, without any induction sealing machine or other similar tools
- Easy to Use: just put the seals for jars into the bottle with the non character side up, then tighten the bottle, and wait 24 hours to seal it
- Nice Airtightness Advantage: the pressure container seals can effectively prevent dust, moisture and dirt from entering the jars, keep the inside contents dry and fresh, and also prevent leakage and peculiar smell
- Wide Range of Applications: these safety seals are made to work with different container like regular mouth jars, jugs, pots, cans or other round neck containers, and materials from glass to plastic

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MB24711 |
| ASIN  | B09MB24711 |
| Best Sellers Rank | #23,308 in Kitchen ( See Top 100 in Kitchen ) #7 in Canning Jar Sealers |
| Brand Name | Tondiamo |
| Closure Type | Screw Top |
| Color | White |
| Container Shape | Round |
| Customer Reviews | 4.2 4.2 out of 5 stars (518) |
| Customer reviews | 4.2 4.2 out of 5 stars (518) |
| Date First Available  | 9 December 2021 |
| Food Storage Container Airtightness | Airtight |
| Is the item dishwasher safe? | No |
| Is the item microwaveable? | No |
| Item Dimensions L x W x H | 7L x 7W x 7.1H centimeters |
| Item Form | Round |
| Item Weight | 0.04 Pounds |
| Item model number  | Tondiamo-Liner Pressure-645 |
| Manufacturer | Tondiamo |
| Manufacturer  | Tondiamo |
| Material Features | Disposable |
| Material Type | Polystyrene |
| Material Type Free | BPA Free |
| Other Special Features of the Product | Air Tight, Leak Resistant |
| Package Quantity | 1 |
| Product Care Instructions | Hand wash with warm water and mild detergent. Avoid harsh chemicals and abrasive materials. Do not use in the dishwasher, microwave, oven, or freezer. |
| Product Dimensions  | 14 x 14 x 1.5 cm; 18 g |
| Recommended Uses For Product | Baby food, Spices, Cookies, Honey, Herb, Candy, Pie, Jelly, Jam, Muffins, Chocolate, Donuts, Cupcakes, Bean, Grain, Cheese, Fruit, Snacks, Meat, Chips, Condiments, Yogurt, Vegetable, Rice, Pasta, Sugar, Tea, Baking supplies, Flour, Dry foods, Soup, Nuts, Sauces, Dessert, Bread, Sandwiches, Salad, Cake, Noodles, Coffee, Juice, Oats, Spaghetti, Cereal, Dry goods, Biscuits, Pizza, Chilli, Salt, Peppe… |
| Size | 2.75 inches |
| Specific Uses For Product | Baby food, Spices, Cookies, Honey, Herb, Candy, Pie, Jelly, Jam, Muffins, Chocolate, Donuts, Cupcakes, Bean, Grain, Cheese, Fruit, Snacks, Meat, Chips, Condiments, Yogurt, Vegetable, Rice, Pasta, Sugar, Tea, Baking supplies, Flour, Dry foods, Soup, Nuts, Sauces, Dessert, Bread, Sandwiches, Salad, Cake, Noodles, Coffee, Juice, Oats, Spaghetti, Cereal, Dry goods, Biscuits, Pizza, Chilli, Salt, Peppe… |
| Unit Count | 100 Count |

## Product Details

- **Brand:** Tondiamo
- **Colour:** White
- **Material:** Polystyrene
- **Material features:** Disposable
- **Product dimensions:** 7L x 7W x 7.1H centimeters

## Images

![70 mm Foam Lid Liner Pressure Sensitive Seal Round Jar Sealer Bottle Seals Heat Resistant Foam Cap Torque Activated Safety for Protection Safety Jar Cap Bottle Vial Tamper Gasket Kit(100 Pieces) - Image 1](https://m.media-amazon.com/images/I/81BGbzUJFfL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Questions & Answers

**Q: Could it fit a 16 oz mason jar?**
A: They will if you use an adhesive or tape to adhere to inside lid or it will come off every time.

**Q: Are these sterilized or do you recommend we spray them with isopropyl alcohol to disinfect before using?**
A: As a customer that has use this product I do sterilize mine because they are not sterile when they arrive. I do use the 70% alcohol isopropyl and spray them and let them dry for at least three minutes. I use sterile technique to apply those to my products and they work fantastically. I hope this helps!

**Q: Will these for on a 17oz plastic spice jar? And what about an 8oz spice jar?**
A: If the opening is about 2.75 inches, it might. You would have to find out what the opening size of the spice jar is. Contact the manufacturer if it is not stated on the packaging.

**Q: Will this fit for 1.8 jars? If not, which size would I need?**
A: You should measure your jar best way to be safe.

## Frequently Bought Together

- 70 mm Foam Lid Liner Pressure Sensitive Seal Round Jar Sealer Bottle Seals Heat Resistant Foam Cap Torque Activated Safety for Protection Safety Jar Cap Bottle Vial Tamper Gasket Kit(100 Pieces)
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-20*