---
product_id: 549464501
title: "ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash"
brand: "thermoflask"
price: "€ 141.49"
currency: EUR
in_stock: false
reviews_count: 5
category: "Thermo Flask"
url: https://www.desertcart.ie/products/549464501-thermoflask-40-oz-double-wall-vacuum-insulated-stainless-steel-2
store_origin: IE
region: Ireland
---

# leak-proof chug lid eco-friendly stainless steel 24-hour temperature lock ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash

**Brand:** thermoflask
**Price:** € 141.49
**Availability:** ❌ Out of Stock

## Summary

> 💧 Stay cool, stay hot, stay ahead with ThermoFlask.

## Quick Answers

- **What is this?** ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash by thermoflask
- **How much does it cost?** € 141.49 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/549464501-thermoflask-40-oz-double-wall-vacuum-insulated-stainless-steel-2)

## Best For

- thermoflask enthusiasts

## Why This Product

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

## Key Features

- • **Sustainably Stylish:** Eco-conscious choice with reusable, BPA-free materials that reduce single-use plastic waste.
- • **Sleek, Durable Design:** Premium stainless steel construction built to withstand your busiest days and wildest adventures.
- • **All-Day Temperature Mastery:** Double-wall vacuum insulation keeps drinks icy cold or piping hot for 24+ hours.
- • **Spill-Free On-the-Go Sipping:** Innovative leak-proof chug lid enables effortless one-handed hydration without mess.
- • **Perfect Pair for Every Journey:** Two 40 oz bottles in stylish Onyx Black and Splash colors—hydration that fits your lifestyle and cup holders.

## Overview

ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack offers premium hydration with advanced insulation technology that keeps beverages cold or hot for over 24 hours. Featuring a leak-proof chug lid for easy one-handed use, these durable, eco-friendly bottles come in a stylish two-pack designed for active professionals and outdoor enthusiasts alike.

## Description

Keep your beverages cold all day without a cooler (or hot without a microwave) Our double-wall vacuum insulated stainless steel bottles prevent outside temperatures from affecting the inside beverage temperature so your drink stays just the way you like it – all day long. Great for everyday adventures or outdoor activities like hiking, camping, biking, sports, picnics, and more. Drink the way you want with easy, controlled one-handed drinking.

Review: Here's another version: I'm really impressed with the ThermoFlask Double Wall Vacuum Insulated bottles! They keep drinks hot or cold for hours, and the double pack is a fantastic value. The design is sleek, and they're easy to clean. Perfect for work, hiking, or just daily use. Great product!
Review: These are very good thermoses. They keep things really cold

## Features

- Stay Hydrated All Day: 2-Pack ThermoFlask Stainless Bottles ensure your drinks remain at the ideal temperature with double-wall vacuum insulation. Perfect for all-day freshness.
- Leak-Proof Chug Lid: Enjoy hassle-free hydration with our water bottle's innovative Chug lid, designed for easy one-handed sipping without spills. Perfect for on-the-go refreshment.
- Adventure-Ready Hydration: ThermoFlask's insulated bottles are your daily companion, keeping hot drinks warm and cold beverages chilled. Ideal for the active lifestyle.
- Versatile Hydration Options: Choose from our premium 14-64 oz insulated bottles in various colors. Fits most cup holders and backpacks, ensuring hydration is always at hand.
- Sustainable Quality with ThermoFlask: Embrace eco-friendly hydration for outdoor activities or daily commuting. Our durable stainless steel bottles are built to last.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBPNVNT2 |
| Batteries required | No |
| Best Sellers Rank | 385,771 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 4,437 in Cycling Bottles |
| Care instructions | Hand Wash Only |
| Customer Reviews | 4.8 4.8 out of 5 stars (7,493) |
| Date First Available | 6 Sept. 2022 |
| Dishwasher safe? | Yes |
| Included components | Two Bottles, Two Lids |
| Is assembly required | No |
| Item model number | 10158 |
| Item weight | 1227 Grams |
| Number of pieces | 2 |
| Product Dimensions | 21.84 x 21.84 x 30.23 cm; 1.23 kg |

## Product Details

- **Brand:** ThermoFlask
- **Capacity:** 1.2 litres
- **Colour:** Onyx Black/Splash
- **Recommended uses for product:** Hot
- **Special feature:** Leakproof

## Images

![ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash - Image 1](https://m.media-amazon.com/images/I/31mfepd5D5L.jpg)
![ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash - Image 2](https://m.media-amazon.com/images/I/41SEjDna94L.jpg)
![ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash - Image 3](https://m.media-amazon.com/images/I/41hxIsCdgAL.jpg)
![ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash - Image 4](https://m.media-amazon.com/images/I/41yN3zOBo-L.jpg)
![ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash - Image 5](https://m.media-amazon.com/images/I/514UelInxwL.jpg)

## Questions & Answers

**Q: These are 40 oz right?**
A: Yes both are 40 oz

**Q: What are the dimentions?**
A: The thermoflask can fill 710ml or 24oz of hot or cold water, it comes in 2 bottles in one box.  These are brand new.  Hope I answered your question.  Phoenix

**Q: How much does the 24oz bottle weigh?**
A: It's quite heavy.  It weighs about 10oz. empty.

**Q: Will it fit in a standard car cup holder? What is the width of the base of the bottle?**
A: Thank you for your interest.  These have a diameter of 3.15" with the bumper and 2.92" without the bumper.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***E on 21 June 2025*

Here's another version: I'm really impressed with the ThermoFlask Double Wall Vacuum Insulated bottles! They keep drinks hot or cold for hours, and the double pack is a fantastic value. The design is sleek, and they're easy to clean. Perfect for work, hiking, or just daily use. Great product!

### ⭐⭐⭐⭐⭐ Review
*by D***Y on 1 July 2025*

These are very good thermoses. They keep things really cold

### ⭐⭐⭐⭐⭐ Review
*by A***Y on 22 March 2024*

The bottles were delivered in good condition. I had a set of such bottles; however, their size was a bit smaller. Size of these two bottles fits our requirements and expectations. Also the cap is very friendly and easy to use.

## Frequently Bought Together

- Thermoflask Double Wall Vacuum Insulated Stainless Steel Water Bottle (Onyx Black/Splash)
- Prurex Replacement Spout Lid for Hydro Flask Wide Mouth Bottles (12/16/18/22/32/40/64oz) – 2.28" Leak-Proof Sports Cap Accessory, Secure Fit

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-27*