---
product_id: 303961494
title: "Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo"
brand: "milton"
price: "€ 38.65"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/303961494-milton-elfin-thermosteel-flask-300-ml-silver-and-thermosteel-optima
store_origin: NL
region: Netherlands
---

# 24 hrs temp retention Leakproof design Double wall insulation Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo

**Brand:** milton
**Price:** € 38.65
**Availability:** ❌ Out of Stock

## Summary

> 💼 Sip Smart, Live Bold!

## Quick Answers

- **What is this?** Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo by milton
- **How much does it cost?** € 38.65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/303961494-milton-elfin-thermosteel-flask-300-ml-silver-and-thermosteel-optima)

## 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

- • **Built for the Bold:** Durable, rust-free design for the active lifestyle.
- • **Stay Hydrated in Style:** Elevate your hydration game with sleek stainless steel.
- • **Hot or Cold, Always Just Right:** Enjoy your beverages at the perfect temperature for hours.
- • **Join the Eco-Friendly Movement:** BPA-free and reusable, because the planet matters.
- • **Double the Capacity, Double the Fun:** Versatile 300ml & 420ml options for every adventure.

## Overview

The Milton Elfin Thermosteel Flask combo includes a 300 ml and a 420 ml stainless steel flask, designed for optimal temperature retention and leak-proof performance. Perfect for gym, sports, school, and outdoor activities, these flasks keep your drinks hot or cold for hours while being eco-friendly and stylish.

## Description

Full description not available

## Features

- Materia type: Stainless Steel; No. of pieces: 1; Capacity: 300 ML; Colour: Silver;
- Insulation type: Double wall; Temperature retention: Yes (Keeps liquid hot/cold upto 24 hrs); Leak proof: Yes. BPA Free : Yes
- Best Usage: Gym, Sports, School, Outdoors
- Warranty: 1 year; Not covered in warranty: The warranty does not cover damages resulting from accidents, mishandling or tampering with the mechanism.
- Materia type: Stainless Steel; No. of pieces: 1; Capacity: 420 ML; Colour: Silver;
- Insulation type: Double wall; Temperature retention: Yes (Keeps liquid hot/cold upto 4 - 6 Hours); Leak proof: Yes
- Best Usage: Gym, Sports, School, Outdoors
- Warranty: 1 year; Not covered in warranty: The warranty does not cover damages resulting from accidents, mishandling or tampering with the mechanism.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MILTON |
| Capacity | 350 Milliliters |
| Colour | Silver |
| Special Feature | Leakproof, rust free, Double Wall |
| Age Range (Description) | Adult |
| Theme | Plain |
| Material | Stainless Steel |
| Number of Items | 1 |
| Pattern | Flask + 420 ml |
| Included Components | Lid |
| Product Care Instructions | Not Microwave Safe |
| Cap Type | सकर कप |
| With Lid | Yes |
| ASIN | B085GP7TL6 |

## Product Details

- **Brand:** MILTON
- **Capacity:** 350 Milliliters
- **Colour:** Silver
- **Special Feature:** Leakproof, rust free, Double Wall
- **Age Range (Description):** Adult

## Images

![Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo - Image 1](https://m.media-amazon.com/images/I/71IQmghD9IL.jpg)
![Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo - Image 2](https://m.media-amazon.com/images/I/61ks55IOqJL.jpg)
![Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo - Image 3](https://m.media-amazon.com/images/I/81YY5t2nDiL.jpg)
![Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo - Image 4](https://m.media-amazon.com/images/I/71HiD2sHo0L.jpg)
![Milton Elfin Thermosteel Flask, 300 ml, Silver & Thermosteel Optima 420 Stainless Steel Flask, 420ml, Steel Combo - Image 5](https://m.media-amazon.com/images/I/71eFeQoDSiL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/303961494-milton-elfin-thermosteel-flask-300-ml-silver-and-thermosteel-optima](https://www.desertcart.nl/products/303961494-milton-elfin-thermosteel-flask-300-ml-silver-and-thermosteel-optima)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-14*