The Thermos Stainless King Flask 1.2L in Matt Black is built for those who require dependable temperature performance, exceptional durability, and generous capacity for extended use throughout the day. Perfect for outdoor adventures, family picnics, camping trips, long road journeys, or demanding workdays, this high-performance vacuum flask ensures your beverages stay at the perfect temperature whenever you need them. Powered by Thermos’ renowned double-wall vacuum insulation technology, the flask creates an airless thermal barrier that locks in temperature and keeps drinks hot or cold for up to 24 hours, making it ideal for carrying coffee, tea, hot chocolate, soup, chilled water, or refreshing cold beverages. Its rugged matte black stainless steel exterior offers a bold, professional look while also providing durability against everyday wear and outdoor conditions. With a generous 1.2L capacity, this flask provides ample beverage storage for sharing or long hours away from home, while its balanced cylindrical design with dimensions of 9.5 x 10.5 x 31.0 cm ensures it remains practical to store in backpacks, travel bags, or camping gear.
Constructed from premium stainless steel both inside and out, the Thermos Stainless King Flask is engineered to withstand daily use, accidental drops, and demanding surroundings without compromising performance. The tough stainless steel body resists rust, corrosion, and flavor retention, helping preserve the natural taste of your beverages over time. Designed with convenience in mind, the flask features a precision twist-and-pour stopper that allows you to pour beverages smoothly without removing the stopper completely, reducing heat loss and maintaining optimal temperature retention while serving. The built-in insulated stainless steel serving cup doubles as a drinking cup, remaining cool to the touch for comfortable use and conveniently storing back onto the flask for compact portability. A fold-away handle provides easy carrying during travel and ensures a secure grip when pouring drinks, enhancing stability and preventing spills. With a durable structure and a weight of 670g, this flask balances strength and portability while delivering reliable performance for both everyday use and outdoor activities.
49p delivery on all orders over £30 (exc. Bulky Item Delivery)
Super Saver Delivery
£0.49
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
Thermos
Stainless King 1.2L Vacuum Flask with Serving Cup - Matt Black
Protect Your Purchase?
Extend your warranty and protect your purchase against accidental damage and defects.
Protects your new Stainless King 1.2L Vacuum Flask with Serving Cup - Matt Black against breakdowns and faults once the manufacturer's warranty period is over.
Covers issues not included in your manufacturer's warranty, such as accidental damage or theft.
Get a replacement or a cash refund up to the full amount you originally paid for it.
FAQs
XCover is an authorised protection provider owned by Cover Genius, a leading insurtech firm ranked #1 in the Financial Times list of fastest-growing companies. With over 7 million customers globally and an average 4.7 out of 5 stars on Google and Trustpilot, XCover Protection is backed by some of the world's largest insurers including Lloyd's, Generali, Sompo, and Munich Re.
After purchasing XCover Protection, you'll receive a confirmation email with a link to activate your XCover Account. Your coverage starts from the day of purchase. Once activated, you can log in to view your protection documents, certificate, and coverage details at any time.
To file a claim, log in to your XCover Account, select the protection plan you'd like to claim against, and click 'Make a Claim'. You'll need to provide supporting documents relevant to your claim. XCover aims to complete 95% of claims within 3 days, with instant payment on approved claims.
Depending on your country and the type of claim, there may be a small excess or deductible applicable when making a claim. You can find the specific details in your protection wording by logging into your XCover Account.
If you wish to return your product, you'll need to submit a claim through your XCover Account. If approved, you'll receive a shipping label and have 7 days to send the item to the return partner. Once assessed and approved, you'll receive a payout reimbursing you for your item.
Exclusions apply. See more
- Extend your return window to 35 days
- 100% protection against any shipping mishaps
The Thermos Stainless King Flask 1.2L in Matt Black is built for those who require dependable temperature performance, exceptional durability, and generous capacity for extended use throughout the day. Perfect for outdoor adventures, family picnics, camping trips, long road journeys, or demanding workdays, this high-performance vacuum flask ensures your beverages stay at the perfect temperature whenever you need them. Powered by Thermos’ renowned double-wall vacuum insulation technology, the flask creates an airless thermal barrier that locks in temperature and keeps drinks hot or cold for up to 24 hours, making it ideal for carrying coffee, tea, hot chocolate, soup, chilled water, or refreshing cold beverages. Its rugged matte black stainless steel exterior offers a bold, professional look while also providing durability against everyday wear and outdoor conditions. With a generous 1.2L capacity, this flask provides ample beverage storage for sharing or long hours away from home, while its balanced cylindrical design with dimensions of 9.5 x 10.5 x 31.0 cm ensures it remains practical to store in backpacks, travel bags, or camping gear.
Constructed from premium stainless steel both inside and out, the Thermos Stainless King Flask is engineered to withstand daily use, accidental drops, and demanding surroundings without compromising performance. The tough stainless steel body resists rust, corrosion, and flavor retention, helping preserve the natural taste of your beverages over time. Designed with convenience in mind, the flask features a precision twist-and-pour stopper that allows you to pour beverages smoothly without removing the stopper completely, reducing heat loss and maintaining optimal temperature retention while serving. The built-in insulated stainless steel serving cup doubles as a drinking cup, remaining cool to the touch for comfortable use and conveniently storing back onto the flask for compact portability. A fold-away handle provides easy carrying during travel and ensures a secure grip when pouring drinks, enhancing stability and preventing spills. With a durable structure and a weight of 670g, this flask balances strength and portability while delivering reliable performance for both everyday use and outdoor activities.
49p delivery on all orders over £30 (exc. Bulky Item Delivery)
Super Saver Delivery
£0.49
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.