--- product_id: 75881797 title: "MILTON Thermosteel Optima Flask (Silver, 500ml)" brand: "milton" price: "243 kr" currency: NOK in_stock: true reviews_count: 8 category: "Milton" url: https://www.desertcart.no/products/75881797-milton-thermosteel-optima-flask-silver-500ml store_origin: NO region: Norway --- # Leak-proof design 500ml capacity Double-wall vacuum insulation MILTON Thermosteel Optima Flask (Silver, 500ml) **Brand:** milton **Price:** 243 kr **Availability:** ✅ In Stock ## Summary > 🔥 Sip in Style, Stay Refreshed Anywhere 🥤 ## Quick Answers - **What is this?** MILTON Thermosteel Optima Flask (Silver, 500ml) by milton - **How much does it cost?** 243 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/75881797-milton-thermosteel-optima-flask-silver-500ml) ## 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 - • **Leak-Proof Confidence:** Secure screw cap and stainless steel body ensure zero spills, perfect for your gym bag, office, or outdoor adventures. - • **Compact & Portable Design:** Slim 500ml flask fits effortlessly in your bag’s side pocket — hydration that travels with you, wherever you hustle. - • **Secret Storage Compartment:** Innovative hidden compartment for sugar, vitamins, or meds — because convenience is the new luxury on the go. - • **Stay Hot or Cold for Hours:** Double-wall vacuum insulation with copper lining locks temperature for 4-6+ hours, so your drink is always just right. - • **Sleek Stainless Steel Durability:** Crafted from premium 18/8 stainless steel for rust-proof, BPA-free, and long-lasting use — built to keep up with your busy lifestyle. ## Overview The MILTON Thermosteel Optima Flask is a 500ml stainless steel insulated bottle featuring double-wall vacuum insulation with copper lining to keep beverages hot or cold for 4-6 hours. Its leak-proof design and durable 18/8 stainless steel body make it ideal for professionals on the move. A unique secret compartment adds unmatched convenience for storing essentials like sugar or vitamins, while its sleek, portable form fits perfectly into your daily routine. ## Description MILTON Thermosteel Optima Flask (Silver, 500ml) : desertcart.in: Home & Kitchen Review: Nice product - Best condition no leakage Review: Nice quality - 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. ## Features - Materia type: Stainless Steel; No. of pieces: 1; Capacity: 500 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. - Fabricated inside and outside in 18/8 quality stainless steel; its tough and durable. - Pre-condition bottle with hot water if using for hot beverage and cold water if using for cold beverage; Use Mild Soap for cleaning the Flask and advised to be kept open when not in use to avoid odor ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00IA0VDZI | | Age Range (Description) | Adult | | Age Range Description | Adult | | Brand | MILTON | | Cap Type | Screw Cap | | Capacity | 500 Milliliters | | Colour | Silver | | Country of Origin | India | | Customer Reviews | 4.3 out of 5 stars 2,311 Reviews | | Enclosure Material | Steel | | Included Components | 1-Piece Bottle (500ml) | | Is Oven Safe | No | | Is the item dishwasher safe? | No | | Item Dimensions W x H | 4W x 96H Millimeters | | Item Type Name | Thermos | | Item Weight | 330 Grams | | Manufacturer | Hamilton | | 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 | | Number of Items | 1 | | OutputCapacity | 500 Milliliters | | Packer Contact Information | Value Retail, F3-12 Bhumi World Industrial Park, Pimplas Village, Mumbai - Nasik Highway, Bhiwandi Thane 421302, 8828826884 | | Pattern | Solid | | Product Care Instructions | Not Microwave Safe | | Product Dimensions | 4W x 96H Millimeters | | Product Features | insulated | | Special Feature | insulated | | Unit Count | 1.00 Count | | With Lid | Yes | ## Product Details - **Age Range (Description):** Adult - **Brand:** MILTON - **Capacity:** 500 Milliliters - **Color:** Silver - **Special Feature:** Cold For 24 Hours ## Images ![MILTON Thermosteel Optima Flask (Silver, 500ml) - Image 1](https://m.media-amazon.com/images/I/61++nK7AfUL.jpg) ![MILTON Thermosteel Optima Flask (Silver, 500ml) - Image 2](https://m.media-amazon.com/images/I/71YM1wVgFLL.jpg) ![MILTON Thermosteel Optima Flask (Silver, 500ml) - Image 3](https://m.media-amazon.com/images/I/710GFNtSGWL.jpg) ![MILTON Thermosteel Optima Flask (Silver, 500ml) - Image 4](https://m.media-amazon.com/images/I/71rHj6Q82tL.jpg) ![MILTON Thermosteel Optima Flask (Silver, 500ml) - Image 5](https://m.media-amazon.com/images/I/71NXR9BERtL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What is the insulation specification - if ambient is 20 deg C and 95 Deg C liquid is poured in, what will be the guaranteed minimum temp after 6 hrs?** A: See i hav not measured d temp so accurately....i ve used it for cold water in summers and d flask does d job really well....i donno bout hot liquids **Q: What is the size of this product in CMs (Length etc.)?** A: Its smaller than it looks.probably 6 inches.good for tea n coffee.not for water or other beverage.just 420ml. **Q: I need new gasket or lid for this flask.from where can i get it?** A: You can not get. **Q: Larger capacity about one litre available** A: Good product ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice product *by S***R on 31 July 2026* Best condition no leakage ### ⭐⭐⭐⭐ Nice quality *by R***A on 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. ### ⭐⭐⭐⭐⭐ Good Product. *by M***I on 1 July 2026* Good product. --- ## 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.no/products/75881797-milton-thermosteel-optima-flask-silver-500ml](https://www.desertcart.no/products/75881797-milton-thermosteel-optima-flask-silver-500ml) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-11-02*