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Item #:
222000840
THERMOS ALTA SERIES Stainless Steel Tumbler 12 Ounce, Matcha Green (Pack of 4)
Item #:
222000840
BND 49
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STAYS HOT OR COLD: THERMOS vacuum insulation technology for maximum temperature retention
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What Stands Out
Double-Wall Insulation
Keeps beverages hot or cold for hours, ensuring your drinks maintain their temperature while you enjoy them at your pace.
Durable Construction
Made from high-quality stainless steel, these tumblers resist rust and punctures, providing long-lasting use and reliability for daily adventures.
Eco-Friendly Design
Pack of four reusable tumblers reduces single-use plastic waste, offering an environmentally responsible choice for those who care about sustainability.
Product Details
- THERMOS vacuum insulation technology ensures maximum temperature retention
- Keeps hot beverages hot for up to 3 hours and cold drinks cold for up to 10 hours
- Made with high quality 18/8 stainless steel for durability
- Exterior stays cool with hot drinks and sweat-proof with cold
- Leak-proof slide lock sealing lid for peace of mind while on the go
- Trusted THERMOS brand known for over a century for superior quality
| Brand Name | THERMOS |
| Manufacturer | Thermos |
| Item Type Name | Stainless Steel Tumbler |
| Model Number | TS1299 |
| Manufacturer Part Number | TS1299GR4C |
| Color | Matcha Green |
| Product Style | Tableware |
| Pattern | Solid |
| Unit Count | 4 Count |
| Item Weight | 3 pounds (1.36 kg) |
| Number of Items | 4 |
| Size | 12 Ounces (Pack of 4) |
| Brand | THERMOS |
| Style | Tableware |
Who Should Buy?
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Busy Professionals
Ideal for those on-the-go who need a reliable, insulated tumbler for coffee or tea during daily commutes.
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Outdoor Enthusiasts
Perfect for campers and hikers looking for durable tumblers that keep beverages hot or cold during adventures.
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Home Entertainers
Great for hosting gatherings, these tumblers enhance beverage enjoyment while being easy to clean and reuse.
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Heavy Drinkers
Not suitable for those requiring larger capacity tumblers since these only hold 12 ounces per unit.
Product Description
THERMOS ALTA SERIES Stainless Steel Tumbler 12 Ounce, Matcha Green (Pack of 4)
About This Item
Introducing the Guardian Collection by THERMOS Stainless Steel Tumbler 12 Ounce in Slate! Experience the perfect blend of style and functionality with the Guardian Collection THERMOS Tumbler. Made from premium stainless steel, this tumbler is designed to keep your beverages at the ideal temperature for hours. Whether you're enjoying a hot cup of coffee in the morning or a refreshing cold drink in the afternoon, this tumbler is built to exceed your expectations. The double-wall vacuum insulation technology ensures that your drink stays hot or cold for longer, allowing you to savor every sip. The 12-ounce capacity is the ideal size for on-the-go convenience, fitting perfectly in cup holders and backpack pockets.
The sleek and modern Slate color adds a touch of sophistication to your drinkware collection, making it a stylish accessory for any occasion. Designed with practicality in mind, the Guardian Collection THERMOS Tumbler features a leak-proof lid that prevents any spills or accidents, allowing you to carry it with confidence wherever you go. The lid also includes a convenient built-in tea hook, making it perfect for steeping your favorite tea bags. This tumbler is not just about functionality, but also durability. The stainless steel construction ensures that it can withstand the rigors of daily use, while the smooth exterior finish provides a comfortable grip. Upgrade your drinking experience with the Guardian Collection by THERMOS Stainless Steel Tumbler 12 Ounce in Slate.
Order yours today and enjoy your favorite beverages in style, wherever your day takes you.
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Customer Questions & Answers
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Question:
What are the main features of the THERMOS ALTA SERIES Stainless Steel Tumbler?
Answer: The THERMOS ALTA SERIES Stainless Steel Tumbler features double-wall vacuum insulation, making it excellent for keeping your drinks hot or cold for extended periods. Its durable stainless steel construction prevents rust and is designed to withstand daily wear and tear. Additionally, the silicone grip provides a comfortable hold, while the lid has a convenient sliding closure to prevent spills. It's perfect for on-the-go lifestyles, whether you're commuting to work or enjoying outdoor activities. -
Question:
Is the THERMOS ALTA SERIES Stainless Steel Tumbler dishwasher safe?
Answer: Yes, the THERMOS ALTA SERIES Stainless Steel Tumbler is dishwasher safe, making cleanup a breeze. However, to maintain its sleek appearance and insulation efficiency, it's recommended to wash it on the top rack and avoid abrasive scrubbers. This feature ensures convenience for those who frequently use the tumbler, allowing for hygienic cleaning after sports events, hiking, or daily use at work. -
Question:
How does the insulation technology in the THERMOS tumbler work?
Answer: The tumbler utilizes double-wall vacuum insulation to minimize heat transfer, keeping drinks hot for hours and cold beverages chilled. This technology creates a barrier that prevents outside temperatures from affecting the contents of the tumbler. It's particularly beneficial for those who enjoy their hot coffee during long commutes or prefer icy cold beverages during hot summer days. -
Question:
Can I use the THERMOS ALTA SERIES Tumbler for both hot and cold beverages?
Answer: Absolutely! The THERMOS ALTA SERIES Tumbler is designed for versatility, allowing you to enjoy hot drinks like coffee or tea, as well as cold beverages such as iced tea or smoothies. Thanks to its superior insulation, it ensures that your drinks remain at the desired temperature for longer periods, making it an excellent choice for both morning routines and outdoor adventures. -
Question:
What capacity does the THERMOS ALTA SERIES Tumbler offer?
Answer: The THERMOS ALTA SERIES Stainless Steel Tumbler has a capacity of 12 ounces, which is ideal for a single serving of your favorite beverage. This size is perfect for those who prefer smaller amounts without compromising on style, whether enjoying a coffee on a quick trip or a refreshing juice at the gym. -
Question:
What materials are used in the THERMOS ALTA SERIES Tumbler?
Answer: The tumbler is made from high-grade stainless steel, ensuring durability and resistance to rust. The interior surface is also engineered to resist flavor transfer, keeping your drinks tasting fresh. The exterior features a powder-coated finish in slate color, enhancing grip and adding a stylish touch, appealing to users who value aesthetics as well as functionality. -
Question:
Does the THERMOS ALTA SERIES Tumbler fit in standard car cup holders?
Answer: Yes, the THERMOS ALTA SERIES Tumbler is designed to fit in most standard car cup holders, making it easy to take on the go. This design consideration is beneficial for commuters, allowing you to keep your beverage secure while driving. Whether you're headed to work or on a road trip, convenience is at your fingertips. -
Question:
What kind of lid does the THERMOS ALTA SERIES Tumbler come with?
Answer: The tumbler comes with a sliding lid that is designed to prevent spills while allowing easy sipping. The lid can be opened and closed with one hand, which is especially useful when you're multitasking, such as driving or carrying other items. It's perfect for those who are active and on the move, ensuring they can enjoy their favorite drinks without hassle. -
Question:
How can I ensure the longevity of my THERMOS ALTA SERIES Tumbler?
Answer: To ensure the longevity of your THERMOS ALTA SERIES Tumbler, avoid using it for carbonated drinks, as the pressure can compromise the seal. Regularly clean it with mild soap and water, and avoid using harsh chemicals or abrasive cleaners. This care will preserve its appearance and performance, making it well-suited for daily use in various settings, from outdoor adventures to daily office hydration. -
Question:
Where can I buy THERMOS ALTA SERIES Stainless Steel Tumbler, 12 Ounce, Slate in Brunei?
Answer: You can purchase the THERMOS ALTA SERIES Stainless Steel Tumbler, 12 Ounce, Slate from Ubuy in Brunei. Ubuy offers a convenient online purchasing experience, ensuring that you can easily find this product with just a few clicks, providing access to a wide range of items and reliable service.
THERMOS Tumblers & Water Glasses TS1299 Editorial Review
The THERMOS ALTA SERIES Stainless Steel Tumbler has garnered a strong positive reception from customers who appreciate its performance and durability. Many users have extensively tested the tumbler, noting its excellent ability to maintain beverage temperature, with coffee staying hot for up to an hour and warm for several hours more, making it an ideal companion for those who enjoy sipping their drinks leisurely. The vacuum seal is praised for its effectiveness, with several users confirming that the tumbler does not leak, provided the lid is assembled correctly. Construction quality is another highlight; the tumbler is described as robust and sturdy, with a resilient finish that stands up to daily use and dishwasher cleaning. Customers find the lid design to be user-friendly, allowing for easy disassembly for cleaning. However, some users did report difficulty with lid removal when a vacuum forms or when proper reassembly is not followed, leading to potential spills. The 12-ounce size is seen as a sweet spot for many, making it suitable for commuting and fitting conveniently under coffee makers. While some users wish for a larger capacity to accommodate their caffeine needs, this tumbler still meets the requirements of many coffee enthusiasts. Overall, this tumbler is recommended for those seeking reliability, ease of cleaning, and effective temperature retention without the worry of leaks. **
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Pros
- Excellent temperature retention (keeps drinks hot for about an hour, warm for several hours)
- Sturdy and durable Construction
- Easy to clean with a fully disassemblable lid
- Leak-proof design when properly reassembled
- Convenient size that fits under coffee makers
Cons
- Difficult to remove lid if a vacuum forms
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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BND 49
Order now and get it around Wednesday, August 12
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Fastest cross-border delivery
Features & Benefits
- Vacuum insulation technology keeps drinks hot for 3 hours and cold for 10 hours
- High-quality stainless steel construction ensures durability
- Exterior remains cool to the touch with hot beverages and sweat-proof with cold
- Leak-proof slide lock sealing lid prevents spills and leaks
- Minimal parts make it easy to clean
- THERMOS brand has been trusted for over a century
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