---
product_id: 53329439
title: "Isosteel Quickstop replacement closure for vacuum flasks"
brand: "isosteel"
price: "FREE"
currency: GBP
in_stock: false
reviews_count: 5
url: https://www.desertcart.co.uk/products/53329439-isosteel-quickstop-replacement-closure-for-vacuum-flasks
store_origin: GB
region: United Kingdom
---

# Snap closure for instant seal Fits multiple flask sizes (0.5L to 1.0L Duo) Microwave safe plastic Isosteel Quickstop replacement closure for vacuum flasks

**Brand:** isosteel
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Snap, Sip, Repeat — Upgrade your flask game instantly!

## Quick Answers

- **What is this?** Isosteel Quickstop replacement closure for vacuum flasks by isosteel
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/53329439-isosteel-quickstop-replacement-closure-for-vacuum-flasks)

## Best For

- isosteel enthusiasts

## Why This Product

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

## Key Features

- • **Microwave Friendly:** Crafted from microwave-safe plastic, so reheating your drink is hassle-free and safe.
- • **Effortless Snap Seal:** Quickstop closure locks in freshness with a satisfying snap, eliminating spills and leaks.
- • **Lightweight & Durable:** At just 0.11 pounds, this robust closure adds minimal weight while ensuring long-lasting performance.
- • **Sleek Minimalist Design:** Matte black/grey finish complements your modern flask, making every pour a style statement.
- • **Universal Compatibility:** Designed to perfectly fit a range of Isosteel vacuum flasks and Thermos King Flask 1.2L for seamless replacement.

## Overview

The Isosteel Quickstop replacement closure is a lightweight, snap-type lid compatible with multiple vacuum flask models including Isosteel and Thermos King Flask 1.2L. Made from microwave-safe plastic, it offers a secure seal to prevent leaks while maintaining a sleek, minimalist aesthetic. Perfect for professionals who demand convenience and style in their daily hydration routine.

## Description

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Review: Goes great with a Thermos 1.2 - I really like that it fits perfectly in a Thermos King Flask Vacuum Insulated 1.2L. Already pouring some great mates at home in London
Review: Another great product from IsoSteel - Very good, bought to replace the new design stopper which I don't like quite as much as this pop up version.

## Features

- Compatible with: VA-9551Q(0,5 L), VA-9552Q(0,75 L),VA-9553Q(1,0 L), VA-9562DQ(1,0 L Duo).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00AR0OS2Y |
| Brand | Isosteel |
| Closure Type | Snap |
| Colour | Black / Grey |
| Customer Reviews | 3.7 3.7 out of 5 stars (12) |
| Global Trade Identification Number | 04026862050119 |
| Is the item dishwasher safe? | No |
| Is the item microwaveable? | Yes |
| Item Weight | 0.11 Pounds |
| Manufacturer | Isosteel |
| Material | Plastic |
| Model Number | DUO VA-Q9551 |
| Number of Pieces | 2 |
| Part Number | VA-Q9551 |
| Shape | Round |

## Product Details

- **Brand:** Isosteel
- **Colour:** Black / Grey
- **Item weight:** 0.11 Pounds
- **Material:** Plastic
- **Shape:** Round

## Images

![Isosteel Quickstop replacement closure for vacuum flasks - Image 1](https://m.media-amazon.com/images/I/71sYRHVjG2L.jpg)
![Isosteel Quickstop replacement closure for vacuum flasks - Image 2](https://m.media-amazon.com/images/I/61ygPWkqGoL.jpg)

## Questions & Answers

**Q: Will it fit a 1 litre flask?**
A: My vacuum-insulated Isosteel thermos can is about 1L and it fits.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Goes great with a Thermos 1.2
*by L***O on 21 April 2020*

I really like that it fits perfectly in a Thermos King Flask Vacuum Insulated 1.2L. Already pouring some great mates at home in London

### ⭐⭐⭐⭐⭐ Another great product from IsoSteel
*by M***N on 17 December 2018*

Very good, bought to replace the new design stopper which I don't like quite as much as this pop up version.

### ⭐ Didn't fit. Not a standard size.
*by R***N on 9 September 2018*

Didn't fit. Not a standard size.

## Frequently Bought Together

- for Original Isosteel ONLY! Don't use for Any Other Brand! Replacement Quickstop Lid VA-Q9551 for Isosteel Vacuum Flask only! VA-9551Q 17 fl. oz, VA-9552Q 25 fl. oz. and VA-9553Q/VA-9562DQ 34 fl. oz.
- Isosteel 0.6 Litre 18/ 8 Stainless Steel Tableline Double-Walled Straight Shape Vacuum Pot with Flap Lid, Silver

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**Shop now:** [https://www.desertcart.co.uk/products/53329439-isosteel-quickstop-replacement-closure-for-vacuum-flasks](https://www.desertcart.co.uk/products/53329439-isosteel-quickstop-replacement-closure-for-vacuum-flasks)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-20*