---
product_id: 369503774
title: "- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black"
brand: "coolflask"
price: "KD 15.60"
currency: KWD
in_stock: true
reviews_count: 13
category: "Coolflask"
url: https://www.desertcart.com.kw/products/369503774-water-bottle-40-oz-insulated-with-straw-and-brush-coolflask
store_origin: KW
region: Kuwait
---

# 40 oz capacity 24H hot retention 48H cold retention - Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black

**Brand:** coolflask
**Price:** KD 15.60
**Availability:** ✅ In Stock

## Summary

> 💪 Hydration Meets Innovation: Your Ultimate Adventure Companion!

## Quick Answers

- **What is this?** - Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black by coolflask
- **How much does it cost?** KD 15.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/369503774-water-bottle-40-oz-insulated-with-straw-and-brush-coolflask)

## Best For

- coolflask enthusiasts

## Why This Product

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

## Key Features

- • **Adventure-Ready:** Perfect for sports, gym, or outdoor escapades with a generous 40 oz capacity.
- • **Eco-Friendly & Safe:** Crafted from BPA-free stainless steel, it's a sustainable choice.
- • **Effortless Maintenance:** Rust-proof and sweat-proof for a hassle-free experience.
- • **Stay Hydrated in Style:** Elevate your hydration game with a sleek, insulated design.
- • **Versatile Lids for Every Occasion:** Choose from three lids for ultimate convenience on-the-go.

## Overview

The Coolflask 40 oz Insulated Water Bottle is designed for the active professional, featuring triple insulation technology that keeps drinks cold for 48 hours and hot for 24 hours. Made from durable, BPA-free stainless steel, it includes three versatile lids for easy drinking on-the-go. Ideal for sports, gym, or office use, this bottle ensures you stay refreshed and hydrated during all your adventures.

## Description

COOLFLASK Coolflask MegaSip Bottle Coolflask Titan Series 32 oz Insulated Water Bottle Water Bottle with Strap/Handle Coolflask Succinct Series Coolflask Triad Series Accessories What do you think is cool? To be yourself is cool, as well as to adhere to exercise, keep learning, and break some bad habits; even trying something new can be cool. Let's be real cool and stay forever young! What do you think is cool? To be yourself is cool, as well as to adhere to exercise, keep learning, and break some bad habits; even trying something new can be cool. Let's be real cool and stay forever young!

Review: Excellent Quality and Insulation, but the Carry Cover Could Be Better - Product: Coolflask 128 oz Gallon Water Bottle Used for: 1 month and 3 weeks Key Features: – Large 128 oz capacity for all-day hydration – Durable stainless steel build with solid insulation – Comes with multiple lids for different uses – Carrying sleeve with strap for portability Ratings: Quality: The quality of the bottle itself is excellent. It feels premium, well-built, and the insulation works great. I’ve only used it for cold drinks, but it holds temperature impressively well. My only complaint is the carrying cover—it feels a bit cheap, and the zipper on mine already broke. A higher-quality sleeve and handle would really make this perfect. Rating: 5/5 Performance: Day to day, it’s been great. It holds cold temperatures for a long time, doesn’t leak, and the different lids all function smoothly. The bottle is large but manageable, and everything feels solid in use. Rating: 5/5 Value: It’s not cheap, but for the quality of the bottle itself, it’s worth it. The insulation, design, and durability justify the cost. The carrying case could use improvement, but it doesn’t take away from how good the bottle is overall. Rating: 5/5 Pros: – Excellent insulation and temperature retention – Strong, durable construction – Multiple functional lids – No leaking issues Cons: – Carrying cover feels cheap and zipper broke early – Could use a sturdier handle design Summary: The Coolflask 128 oz Gallon Water Bottle is a fantastic, heavy-duty option for anyone who needs to stay hydrated throughout the day. The insulation is impressive, and the build feels premium and solid. While the carrying cover is a weak spot, the bottle itself more than makes up for it with performance and quality. If you’re serious about your hydration, this is worth the investment. Overall Rating: 5/5 Disclaimer: This review is based on my personal experience using the product. I’m not an expert—just sharing my honest thoughts to help others make an informed decision.
Review: Great quality, full functionality, flexible options for use - I've tried various insulated coolers in various sizes. This Coolflask 64 oz is perfect for my needs be it exercising, yard work, or just next to my desk. The Coolflask has no problems keeping ice and water cold, often for more than 3 days. It saves a lot on individual water bottles and trips to the frig to refill. This flask is nicely made and comes with various options for use along with straws and a nice cleaner brush. I have not had any issues with leaks. I did reached out to Customer Service for a small issue. Their response was unbelievable in today's standards. I heard from someone in very quick time and it was on a weekend. We discussed my issue and it was resolved in a very short time to my complete satisfaction.

## Features

- Going Green: 40 oz Insulated Water Bottle is built with 18/8 (304) stainless steel that's BPA-free, reusable, and safe for all. It's rust-proof, and free from oder retain. Liquid can be fresh in its best taste for a whole day.
- 48H Cold & 24H Hot: Triple Insulation Technology adopts double wall and vacuum seal, keeps beverages cold for up to 48 hours and hot 24 hours. Anti-sweat coating can keep the surface dry and clean, making it easy to grip.
- Flexible Drinking On-the-Go: This 40 oz water bottle comes with 3 different lids. The screw-on lid with flip-up handle is for easy ice refilling with superior portability; spout lid makes it convenient to drink hot liquid and straw lid for sipping cold.
- Travel Longer: With 40 oz capacity, the metal water bottle allows you to enjoy your trip easier with fewer refills, perfect for hiking, camping and sport events. It's easy to stay hydrated and refreshed on exciting adventures with such a versatile bottle.
- Easy to Maintain: This stainless steel water flask is rustproof, sweat-proof, and BPA-free. Hand wash only and no abrasives. Do not put it in a freezer or microwave. Not for soft drinks. Be carefully of being scalded when handling hot liquids.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0973328MJ |
| Additional Features | Cold 48 Hours, Leakproof |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #1,014 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #33 in Insulated Bottles |
| Brand | Coolflask |
| Brand Name | Coolflask |
| Cap Type | Straw Cap |
| Capacity | 2.5 Pounds |
| Color | Magic Black |
| Customer Reviews | 4.6 out of 5 stars 15,460 Reviews |
| Included Components | Spout lid, Straw, Straw lid, brush |
| Is the item dishwasher safe? | No |
| Item Dimensions W x H | 4"W x 12"H |
| Item Weight | 1.2 Kilograms |
| Manufacturer | Coolflask |
| Material Type | Stainless Steel |
| Number of Items | 1 |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Water |
| Special Feature | Cold 48 Hours, Leakproof |
| Theme | Outdoor |
| Unit Count | 1.0 Count |
| With Lid | Yes |

## Product Details

- **Brand:** Coolflask
- **Capacity:** 2.5 Pounds
- **Color:** Magic Black
- **Recommended Uses For Product:** Water
- **Special Feature:** Cold 48 Hours, Leakproof

## Images

![- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black - Image 1](https://m.media-amazon.com/images/I/81ORd3tmthL.jpg)
![- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black - Image 2](https://m.media-amazon.com/images/I/81AUnK6gXXL.jpg)
![- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black - Image 3](https://m.media-amazon.com/images/I/71V-yqamQ0L.jpg)
![- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black - Image 4](https://m.media-amazon.com/images/I/71goSLXlXeL.jpg)
![- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black - Image 5](https://m.media-amazon.com/images/I/61D4JT9poHL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Quality and Insulation, but the Carry Cover Could Be Better
*by J***N on October 16, 2025*

Product: Coolflask 128 oz Gallon Water Bottle Used for: 1 month and 3 weeks Key Features: – Large 128 oz capacity for all-day hydration – Durable stainless steel build with solid insulation – Comes with multiple lids for different uses – Carrying sleeve with strap for portability Ratings: Quality: The quality of the bottle itself is excellent. It feels premium, well-built, and the insulation works great. I’ve only used it for cold drinks, but it holds temperature impressively well. My only complaint is the carrying cover—it feels a bit cheap, and the zipper on mine already broke. A higher-quality sleeve and handle would really make this perfect. Rating: 5/5 Performance: Day to day, it’s been great. It holds cold temperatures for a long time, doesn’t leak, and the different lids all function smoothly. The bottle is large but manageable, and everything feels solid in use. Rating: 5/5 Value: It’s not cheap, but for the quality of the bottle itself, it’s worth it. The insulation, design, and durability justify the cost. The carrying case could use improvement, but it doesn’t take away from how good the bottle is overall. Rating: 5/5 Pros: – Excellent insulation and temperature retention – Strong, durable construction – Multiple functional lids – No leaking issues Cons: – Carrying cover feels cheap and zipper broke early – Could use a sturdier handle design Summary: The Coolflask 128 oz Gallon Water Bottle is a fantastic, heavy-duty option for anyone who needs to stay hydrated throughout the day. The insulation is impressive, and the build feels premium and solid. While the carrying cover is a weak spot, the bottle itself more than makes up for it with performance and quality. If you’re serious about your hydration, this is worth the investment. Overall Rating: 5/5 Disclaimer: This review is based on my personal experience using the product. I’m not an expert—just sharing my honest thoughts to help others make an informed decision.

### ⭐⭐⭐⭐⭐ Great quality, full functionality, flexible options for use
*by B***R on December 16, 2025*

I've tried various insulated coolers in various sizes. This Coolflask 64 oz is perfect for my needs be it exercising, yard work, or just next to my desk. The Coolflask has no problems keeping ice and water cold, often for more than 3 days. It saves a lot on individual water bottles and trips to the frig to refill. This flask is nicely made and comes with various options for use along with straws and a nice cleaner brush. I have not had any issues with leaks. I did reached out to Customer Service for a small issue. Their response was unbelievable in today's standards. I heard from someone in very quick time and it was on a weekend. We discussed my issue and it was resolved in a very short time to my complete satisfaction.

### ⭐⭐⭐⭐⭐ The Best Bottle at an Unbeatable Price
*by A***R on August 19, 2025*

If you work outside in the hot weather like I do, this is the best water bottle on the market. Nice big size for your favorite drink and ice (for me a 20 ounce bottle was too small). It keeps my flavored water in ice very cold (I normally fill it two or three times daily so I don't know if it keeps things cold for 48 hours). The mouth is wide enough for standard sized ice cubes and slices of fruit. The stainless steel construction makes it sturdy, stain resistant, and has never leaked. The carrying pouch and strap keeps it from being scratched and makes carrying much easier. Highly recommended!

## Frequently Bought Together

- Water Bottle 40 oz Insulated with Straw&Brush, Coolflask Vaccum Stainless Steel Metal 3 Lids Water Flask for Sports, Gym or Office, Keep Cold 48H Hot 24H, Magic Black
- Straw Lid for 32oz, 40oz, 64oz, 87oz, 128oz Water Bottle, Insulated Flip Top Cap of 2.22” Diameter Bottles, BPA-Free Water Flask Accessories with 2 Straws and 1 Brush

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-05-16*