---
product_id: 742817782
title: "Milton Thermosteel Flask 11.8 fl oz (350 ml) silver"
brand: "milton"
price: "฿3809"
currency: THB
in_stock: false
reviews_count: 5
category: "Milton"
url: https://www.desertcart.co.th/products/742817782-milton-thermosteel-flask-11-8-fl-oz-350-ml-silver
store_origin: TH
region: Thailand
---

# 24-hour temperature lock Leak-proof screw cap 350 ml perfect daily sip Milton Thermosteel Flask 11.8 fl oz (350 ml) silver

**Brand:** milton
**Price:** ฿3809
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Stay hot or chill cool—your perfect sip, all day long! 🥶

## Quick Answers

- **What is this?** Milton Thermosteel Flask 11.8 fl oz (350 ml) silver by milton
- **How much does it cost?** ฿3809 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/742817782-milton-thermosteel-flask-11-8-fl-oz-350-ml-silver)

## Best For

- milton enthusiasts

## Why This Product

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

## Key Features

- • **Sleek, compact power:** 350 ml capacity fits perfectly in your office bag or car cup holder—hydration on the go.
- • **Leak-proof confidence:** Secure screw cap ensures zero spills, so you stay mess-free and professional.
- • **Effortless maintenance:** Dishwasher safe and easy to hand wash, designed for your busy lifestyle.
- • **All-day temperature mastery:** Keeps your chai piping hot or your cold brew icy fresh for a full 24 hours.
- • **Premium 18/8 stainless steel:** Durable, BPA-free, and rust-resistant for safe, long-lasting use.

## Overview

The Milton Thermosteel Flask 350 ml is a sleek, silver double-wall vacuum insulated bottle crafted from premium 18/8 stainless steel. Designed for professionals on the move, it keeps beverages hot or cold for up to 24 hours, features a leak-proof screw cap, and offers a compact 350 ml capacity ideal for daily use. BPA-free and dishwasher safe, it combines durability with convenience for your everyday hydration needs.

## Description

Milton Thermosteel Flip Lid Flask 350 Double Wall Vacuum Insulated Thermos 350ml | 12oz | 24 Hour Hot & Cold Water Bottle with Cover, 18/8 Stainless Steel, BPA Free, Leak Proof | Silver

Review: Its orignl and 24 hrs keep warm and cold
Review: Great quality and product, it make the water stays the same temperature that is required. Great heat retention and cold water retention, great color with right water capacity. Fit for daily chai use for office.

## Features

- Milton thermosteel flask, 350 mlec-tms-fis-0044_steel)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00MS0D9S0 |
| Batteries Included | No |
| Batteries Required | No |
| Brand Name | MILTON |
| Cap Type | Screw Cap |
| Capacity | 350 Milliliters |
| Color | Silver |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,474) |
| Date First Available | December 21, 2013 |
| Item Weight | 134 Grams |
| Manufacturer | MILTON |
| Material | Iron |
| Material Care Instructions | Hand Wash Only |
| Model Number | FLASK 350 |
| Package Dimensions | 22.5 x 8.2 x 7.9 cm |
| Package Weight | 0.39 Kilograms |
| Size | 350 ml |
| Special Features | Dishwasher Safe |
| Volume | 350 Milliliters |
| Volume Capacity | 350 ミリリットル |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** MILTON
- **Capacity:** 350 Milliliters
- **Color:** Silver
- **Special Feature:** Dishwasher Safe

## Images

![Milton Thermosteel Flask 11.8 fl oz (350 ml) silver - Image 1](https://m.media-amazon.com/images/I/712OS9IxQ7L.jpg)
![Milton Thermosteel Flask 11.8 fl oz (350 ml) silver - Image 2](https://m.media-amazon.com/images/I/61Orgei15+L.jpg)
![Milton Thermosteel Flask 11.8 fl oz (350 ml) silver - Image 3](https://m.media-amazon.com/images/I/41uqXbedX7L.jpg)
![Milton Thermosteel Flask 11.8 fl oz (350 ml) silver - Image 4](https://m.media-amazon.com/images/I/41pGqoK-n6L.jpg)
![Milton Thermosteel Flask 11.8 fl oz (350 ml) silver - Image 5](https://m.media-amazon.com/images/I/51ohjSxwYEL.jpg)

## Questions & Answers

**Q: What are the dimensions of the poster?**
A: 24x36"

**Q: does this thermos come with a separate case?**
A: Yes, it come with separate case.

**Q: Is Milton Thermosteel dishwasher safe?**
A: Not sure. But I have washed them in the top row of the dishwasher.

**Q: How do you keep liquids cold? I bought this to keep my infants milk cold while we are outside**
A: Rinse the Thermosteel flask with cold water and then fill the flask with cold milk/ liquids. It will stay cold for a while 😃

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by N***I on December 22, 2025*

Its orignl and 24 hrs keep warm and cold

### ⭐⭐⭐⭐⭐ Review
*by S***A on March 13, 2026*

Great quality and product, it make the water stays the same temperature that is required. Great heat retention and cold water retention, great color with right water capacity. Fit for daily chai use for office.

### ⭐⭐⭐⭐⭐ Review
*by R***D on November 16, 2025*

Perfect for me when I go walking and want to have a coffee, a good size and weight to carry..highly recommended

## Frequently Bought Together

- Milton Thermosteel Flip Lid Flask 350, Double Walled Vacuum Insulated Thermos 350 ml | 12 oz | 24 Hours Hot and Cold Water Bottle with Cover, 18/8 Stainless Steel, BPA Free, Leak-Proof | Silver
- Dr. Brown's Baby Formula Dispenser with Snap-On Lid for On-the-Go Feedings,Milk Powder Dispenser for Traveling with Infant,Gray

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**Shop now:** [https://www.desertcart.co.th/products/742817782-milton-thermosteel-flask-11-8-fl-oz-350-ml-silver](https://www.desertcart.co.th/products/742817782-milton-thermosteel-flask-11-8-fl-oz-350-ml-silver)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-24*