# Thermos Stainless King 1.2L Matt Black Travel Flask | Keeps Hot 24 Hrs, Cold 24 Hrs **Brand:** THERMOS **SKU:** spw4033 **ASIN:** B00JOV3YDG **Canonical URL:** https://crowcrowcrow.com/p/thermos-stainless-king-matt-black-travel-flask-leak-proof-insulated-tea-coffee-hot-cold/spw4033 **Category:** home-kitchen **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹11,341 **Discount:** 35% **Customer rating:** 4.70/5 from 24,037 ratings ## Description Thermos Stainless King 1.2L Matt Black Flask. Keeps drinks hot or cold for 24 hours with vacuum insulation. Durable stainless steel, leak-proof twist-pour stopper, and serving cup. Imported from USA, duties included. Arrives via ExpressBox tracked delivery. ## Highlights - 24-Hour Temperature Retention — Keeps drinks hot or cold for a full 24 hours, ideal for long journeys or busy days. Superior vacuum insulation outperforms many local flasks. - Durable Stainless Steel Build — Constructed with robust 18/8 stainless steel inside and out for lasting performance and resistance to rust. Built to withstand daily use. - Leak-Proof Twist-Pour Stopper — Allows for controlled pouring without removing the stopper, preventing spills and maintaining temperature. Easy to operate even with one hand. - Integrated Serving Cup — The insulated lid doubles as a convenient serving cup, allowing you to enjoy your beverages directly from the flask. No extra cups needed. ## Key features - Thermos vacuum insulation technology for maximum temperature retention, keeps hot for 24 hours and cold for 24 hours - Durable stainless steel interior and exterior with insulated stainless steel serving cup - Cool to the touch with hot liquids and sweat-proof with cold - Twist and pour stopper allows you to pour without removing the stopper - 5 year guarantee.Dimensions: 30.5 x 13 x 9 cm.Thermos vacuum insulation technology for maximum temperature retention; keeps hot for 24 hours and cold for 24 hours.Durable stainless steel interior and exterior, featuring a twist and pour stopper that lets you pour without removing the stopper.Cool to the touch with hot liquids, sweat-proof with cold.Insulated stainless steel serving cup.50 year guarantee ## Why choose this product **Unmatched Insulation Performance** — This Thermos Stainless King flask leverages advanced vacuum insulation to maintain beverage temperatures for an impressive 24 hours, hot or cold. Unlike many local flasks that offer shorter retention times, this imported model ensures your coffee stays piping hot or your water remains ice-cold throughout the longest days. Its durable stainless steel construction, including the integrated serving cup and leak-proof twist-pour stopper, guarantees reliability and convenience for daily use, travel, or outdoor adventures. Experience the difference of premium USA-sourced quality, with all customs duties and GST pre-paid for a transparent purchase. **Who It's For vs. Who Should Skip** — Ideal for professionals, travelers, and outdoor enthusiasts in India who demand long-lasting temperature control and robust build quality. Perfect for those who appreciate the convenience of a built-in cup and a leak-proof design for worry-free transport. Skip if you require a lightweight plastic flask or only need short-term insulation. This model is designed for durability and performance, not for single-use convenience or extreme portability in very compact spaces. ## How to use 1. Before filling, pre-heat the flask with boiling water for 5-10 minutes if using for hot beverages, or fill with ice water for cold beverages. This optimizes temperature retention. — Pre-condition the Flask 2. Fill the flask with your desired hot or cold beverage, leaving about an inch of space at the top. Securely screw on the twist-pour stopper and then the lid/serving cup. — Fill and Secure 3. To pour, turn the stopper counter-clockwise to the pour position. Pour carefully into the integrated serving cup or another vessel. Close the stopper when not pouring. — Pour and Enjoy ## Product details | Field | Value | |---|---| | Lid Type | Screw Cap with Twist-Pour Stopper | | BPA-Free | Yes | | Hot Retention | Up to 24 hours | | Cold Retention | Up to 24 hours | | Serving Cup Capacity | 8 oz (approx. 237 ml) | | Care Instructions | Hand Wash Only | | Cost per use | 1.2 L capacity — ₹9,451 per liter | | Shelf life after opening | N/A (Durable Product) | | Reapplication math | N/A (Durable Product) | | Contraindications | Not suitable for microwave or dishwasher use. | | Allergens / common irritants | None specified | | Brand | THERMOS | | Model Name | King | | Color | Matt Black | | Pattern | Solid | | Material | Stainless Steel | | Capacity | 1.2 liters (40.6 oz) | | Dimensions | 30.5 x 13 x 9 cm (12 x 5.1 x 3.5 inches) | | Weight | 0.67 kg (1.48 lbs) | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How long does the Thermos Stainless King flask keep drinks hot or cold? The Thermos Stainless King flask is engineered with superior vacuum insulation technology, capable of keeping liquids hot or cold for up to 24 hours. This extended temperature retention ensures your beverages remain at the desired temperature throughout the entire day, whether you are at work, traveling, or enjoying outdoor activities. ### Is the Thermos Stainless King flask leak-proof for travel? Yes, the Thermos Stainless King flask features a leak-resistant twist-and-pour stopper. This design allows for controlled pouring without removing the stopper entirely, minimizing the risk of spills when the flask is placed in a bag or backpack. The lid also doubles as an eight-ounce serving cup. ### What is the capacity of the Thermos Stainless King flask and how is it measured? The Thermos Stainless King flask has a capacity of 1.2 liters, which is equivalent to approximately 40.6 fluid ounces. This generous size is ideal for ensuring you have enough of your favorite hot or cold beverage for extended periods, whether for personal use or sharing. ### How do I clean the Thermos Stainless King flask? The Thermos Stainless King flask is designed for hand washing only. Avoid using abrasive cleaners or placing it in the dishwasher, as this can damage the insulation and exterior finish. Simply wash the interior and exterior with warm, soapy water and rinse thoroughly. ### How to buy an original Thermos Stainless King flask in India? To buy an original Thermos Stainless King flask in India, source from authorized importers like CrowCrowCrow. We import directly from USA retailers, ensuring factory-sealed products with all customs duties and GST included. Your order is shipped via ExpressBox tracked delivery for peace of mind. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B00JOV3YDG-0.webp --- Source: https://crowcrowcrow.com/p/thermos-stainless-king-matt-black-travel-flask-leak-proof-insulated-tea-coffee-hot-cold/spw4033 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).