---
product_id: 549464501
title: "40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash"
brand: "thermoflask"
price: "$394"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/549464501-40-oz-double-wall-vacuum-insulated-stainless-steel-2-pack
store_origin: NZ
region: New Zealand
---

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

**Brand:** thermoflask
**Price:** $394
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash by thermoflask
- **How much does it cost?** $394 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/549464501-40-oz-double-wall-vacuum-insulated-stainless-steel-2-pack)

## 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

- • **Adventure-Ready Durability:** Premium stainless steel construction built to withstand your busiest days and wildest adventures.
- • **All-Day Temperature Control:** Double-wall vacuum insulation keeps drinks icy cold or piping hot for up to 24 hours.
- • **Spill-Free On-the-Go Sipping:** Innovative leak-proof chug lid designed for effortless one-handed hydration without mess.
- • **Sustainable Hydration Upgrade:** Eco-conscious design replaces single-use plastics with long-lasting, reusable bottles.
- • **Perfect Fit for Your Lifestyle:** 40 oz size fits most cup holders and backpacks, ensuring hydration is always within reach.

## Overview

The ThermoFlask 40 oz 2-pack features double-wall vacuum insulation to keep beverages hot or cold for up to 24 hours. Equipped with leak-proof chug lids for easy, spill-free sipping, these durable stainless steel bottles fit most cup holders and backpacks. Designed for active professionals seeking sustainable, reliable hydration on the go.

## Description

40 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, Onyx Black/Splash

## 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 |
|---------------|-------|
| Product Dimensions | 21.84 x 21.84 x 30.23 cm; 1.23 kg |
| Care instructions | Hand Wash Only |
| Dishwasher safe? | Yes |
| Is assembly required | No |
| Number of pieces | 2 |
| Batteries required | No |
| Included components | Two Bottles, Two Lids |
| Item weight | 1227 Grams |

## Product Details

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

## Images

![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/71VDcTo19RL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## 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.

## 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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**Shop now:** [https://www.desertcart.nz/products/549464501-40-oz-double-wall-vacuum-insulated-stainless-steel-2-pack](https://www.desertcart.nz/products/549464501-40-oz-double-wall-vacuum-insulated-stainless-steel-2-pack)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*