--- product_id: 76798969 title: "Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver" brand: "milton" price: "115.41 DT" currency: TND in_stock: true reviews_count: 8 url: https://www.desertcart.tn/products/76798969-optima-350-thermosteel-hot-and-cold-flask-350-ml-silver store_origin: TN region: Tunisia --- # Keeps beverages hot for 5+ hrs Maintains cold drinks chilled all day Rust-resistant 18/8 stainless steel durability Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver **Brand:** milton **Price:** 115.41 DT **Availability:** ✅ In Stock ## Summary > 🔥 Stay hot, stay cool, stay ahead with Milton Optima! ## Quick Answers - **What is this?** Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver by milton - **How much does it cost?** 115.41 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/76798969-optima-350-thermosteel-hot-and-cold-flask-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 - • **Built to Endure:** Crafted from premium 18/8 stainless steel, this flask resists rust and daily wear, making it your reliable hydration partner. - • **Compact & Travel-Ready:** Slim 350 ml capacity fits effortlessly in your backpack’s side pocket or hand, ideal for busy professionals on the move. - • **Effortless Maintenance:** Dishwasher safe and easy to clean, combining convenience with high performance for your daily hustle. - • **Smart Storage Solution:** Innovative lid design includes a special compartment for sugar cubes, medicines, or small essentials—stay prepared on the go. - • **All-day Temperature Lock:** Double-walled insulation with inner copper coating ensures your drink stays perfectly hot or cold for hours. ## Overview The Milton Optima 350 Thermosteel Flask is a sleek, silver 350 ml insulated bottle designed for professionals who demand durability and performance. Featuring double-wall insulation with an inner copper coating, it keeps beverages hot or cold for over 5 hours. Made from rust-resistant 18/8 stainless steel, it includes a smart lid compartment for small essentials and fits perfectly in backpacks for easy portability. Dishwasher safe and built for everyday use, it’s the ultimate companion for your active lifestyle. ## Description The copper coating provides heat retention properties which make it more convenient and user-friendly since it prevents the beverages from getting cold for long hours. The flasks are leakage proof which gives a hassle-free utility to the user since one does not need to worry about the mess caused by seepage. The secure lid adds to the leak-proof nature of the flask. The flask is convenient to store enough beverage for the day. If you like to travel alone, the capacity of this flask is perfect to carry along your favourite beverage. These jars from Treo by Milton sport a unique lid design that has a see-through top. This functional design allows one to view the content of the jar from above. The stainless steel material is convenient since it gives protection from dust and corrosion while not letting it lose its stylish outlook which makes it attractive to the users in the first place. This flask can be used anywhere at any given point of time without any hassle or mess after use which enhances the advantage of this product. ## Features - Color: Silver; Material: Stainless Steel; Package Contents: 1- Piece Optima Thermosteel Flask (350 ml); Dimensions in cms (L x W x H): 7.4 x 7.4 x 17.8 - Double walled insulated flask keeps your beverages hot or cold for long hours, Inner copper coating for better temperature retention - It is made up of a durable 18/8 stainless steel, rust free, built to withstand the demands of everyday use - The lid enables the mug to reduce the transfer of temperature keeps even more insulation. Special compartment for keeping sugar cubes, medicines and more. Ideal for carrying liquids such as sambar, curries, soup and dal - This flask makes it perfect for carrying with you on any day-trip or anywhere you go. It is designed to be carried by hand or into the side compartments of your backpack for easy access. ## Technical Specifications | Specification | Value | |---------------|-------| | Age Range Description | Adult | | Asin | B00F2GPWXW | | Base Diameter | 73 Millimetres | | Best Sellers Rank | #51,611 in Home & Kitchen (See Top 100 in Home & Kitchen) #343 in Insulated Bottles | | Brand | MILTON | | Cap Type | सकर कप | | Colour | Silver | | Customer Reviews | 4.3 4.3 out of 5 stars (2,265) 4.3 out of 5 stars | | Enclosure Material | Steel | | Importer Contact Information | SRV NO. 98/1/1, 98/1/2, 99/2/1, 100/1/1, Village Silli, UT of Dadar & Nagar Haveli, Silvassa-396230 | | Included Components | 1-Piece Bottle (300ml) | | Is The Item Dishwasher Safe | Yes | | Is The Item Microwaveable | No | | Item Dimensions W X H | 7.8W x 3.1H Centimeters | | Item Type Name | Bottle | | Item Weight | 0.3 Kilograms | | Manufacturer | Hamilton Housewares Private Limited; 18002092151 SRV NO. 98/1/1, 98/1/2, 99/2/1, 100/1/1, Village Silli, UT of Dadar & Nagar Haveli, Silvassa-396230, Imported and Marketed by- Hamilton Housewares Private Limited; 18002092151 | | Manufacturer Contact Information | Hamilton Housewares Private Limited; 18002092151 SRV NO. 98/1/1, 98/1/2, 99/2/1, 100/1/1, Village Silli, UT of Dadar & Nagar Haveli, Silvassa-396230 | | Manufacturer Warranty Description | This product is under 1 year warranty from the date of retail purchase against any manufacturing defects in material and workmanship. The Warranty does not cover damages resulting from accidents, mishandling or tampering with the mechanism. Warranty valid against producing original bill endorsed by seller. | | Model Name | OPTIMA MUG 350 ML | | Number Of Items | 1 | | Outputcapacity | 350 Milliliters | | Packer Contact Information | Hamilton Housewares Private Limited; 18002092151 | | Pattern | Solid | | Product Care Instructions | Hand Wash Only | | Product Features | Double Wall, Rust Resistant, durable | | Recommended Uses For Product | Soup, Curries | | Theme | Thermal Insulation | | Unit Count | 1 Count | | With Lid | Yes | ## Product Details - **Brand:** MILTON - **Capacity:** 350 Milliliters - **Colour:** Steelplain - **Recommended Uses For Product:** Soup, Curries - **Special Feature:** Double Wall, Rust Resistant, durable ## Images ![Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Image 1](https://m.media-amazon.com/images/I/61Hvi3uE6xL.jpg) ![Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Image 2](https://m.media-amazon.com/images/I/71YM1wVgFLL.jpg) ![Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Image 3](https://m.media-amazon.com/images/I/71yfJv7K4FL.jpg) ![Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Image 4](https://m.media-amazon.com/images/I/71rHj6Q82tL.jpg) ![Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Image 5](https://m.media-amazon.com/images/I/71y7viP5cML.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality is good *by on Reviewed in India 26 April 2026* Quality is superb ### ⭐⭐⭐⭐⭐ Original product and we r very happy *by on Reviewed in India 11 December 2025* Good product. And our food will keep very hot more than 5 hours.Very useful to working people ### ⭐⭐⭐⭐ Nice quality *by on Reviewed in India 1 July 2025* keeps everything hot or cold for several hours.but the flask after long time to open the tea or milk the lid was automatic to jump the side. ## Frequently Bought Together - Milton Optima 350 Thermosteel Hot and Cold Flask, 350 ml, Silver - Borosil - vacuum insulated Hydra Coffeemate stainless Steel travel mug - spill proof - hot and cold_BT300BLK110_300ml - Milton Optima 420 Thermosteel Hot and Cold Flask, 420 ml, Silver | ISI Certified | Vacuum Insulated | Rust Proof | Leak Proof | Tea | Coffee | Juice --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/76798969-optima-350-thermosteel-hot-and-cold-flask-350-ml-silver](https://www.desertcart.tn/products/76798969-optima-350-thermosteel-hot-and-cold-flask-350-ml-silver) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-10*