--- product_id: 490480628 title: "Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green" brand: "thermos" price: "$103.64" currency: USD in_stock: true reviews_count: 5 category: "Thermos" url: https://www.desertcart.us/products/490480628-guardian-collection-by-thermos-12-ounce-stainless-steel-travel-tumbler store_origin: US region: United States of America --- # Leak-proof slide lock lid Keeps drinks hot up to 3 hrs Keeps drinks cold up to 10 hrs Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green **Brand:** thermos **Price:** $103.64 **Availability:** ✅ In Stock ## Summary > 🔥 Stay hot, stay cool, stay unstoppable! ❄️ ## Quick Answers - **What is this?** Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green by thermos - **How much does it cost?** $103.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/490480628-guardian-collection-by-thermos-12-ounce-stainless-steel-travel-tumbler) ## Best For - thermos enthusiasts ## Why This Product - Trusted thermos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Spill-Free Confidence:** Innovative slide lock lid ensures zero leaks, making it your trusted companion for commutes, meetings, and travel. - • **Durability Meets Style:** Crafted from premium 18/8 stainless steel, this tumbler is built to withstand your busiest days with a sleek green finish. - • **Effortless Maintenance:** Dishwasher safe with minimal parts for quick cleaning, so you spend less time washing and more time winning your day. - • **Sweat-Proof & Cool to Touch:** No more slippery grips or condensation rings—enjoy a dry, comfortable hold whether your drink is hot or cold. - • **Ultimate Temperature Control:** Vacuum insulation locks in heat or chill for hours, so your coffee or iced tea stays perfect on the go. ## Overview The Guardian Collection by Thermos 12oz Stainless Steel Travel Tumbler combines advanced vacuum insulation technology with durable 18/8 stainless steel construction. It keeps beverages hot for up to 3 hours and cold for up to 10 hours, features a leak-proof slide lock lid, and a sweat-proof exterior. Designed for professionals on the move, it’s dishwasher safe and built to last, making it the perfect stylish companion for your daily hustle. ## Description The 12oz Stainless Steel Travel Tumbler from the ALTA SERIES BY THERMOS is the perfect size for your morning wake up call. Sometimes life comes at you fast. That’s why we designed this ALTA SERIES BY THERMOS product to be the ultimate combination of quality temp insulation, contemporary style and daily reliability that makes short work of any to-do list. THERMOS vacuum insulation technology keeps coffee and tea hot up to 3 hours. Cold drinks stay icy cold for up to 10 hours. A slide lock lid helps prevent spills and leaks. Exterior stays cool to the touch with hot beverages and sweat-proof with cold. Made with minimal parts that are dishwasher safe and easy to clean. Just top it off and you’re ready to take on the day. Review: Bueno, cumple. - Práctico, no tardan bebidas para calor. Review: حلو - بس تنكب القهوة ويحفظ البروده ## Features - STAYS HOT OR COLD: THERMOS vacuum insulation technology for maximum temperature retention of hot or cold beverages. Keeps your morning coffee or tea hot for up to 3 hours and iced drinks cold for up to 10 hours - EXTREMELY DURABLE: High quality 18/8 stainless steel construction is dependable to take anywhere you go, from morning errands to the office - SWEAT-PROOF: Exterior stays cool to the touch with hot beverages and sweat-proof with cold. THERMOS brand mugs and tumblers are dishwasher safe, top rack recommended - LEAK-PROOF LID: Slide lock sealing lid is leak-proof when closed for peace of mind. Helps to prevent spills and leaks while on-the go. Made with minimal parts that are easy to disassemble and clean - TRUSTED BRAND: For over a century, THERMOS brand products have been making everyday life better, every time. Hot stays hot. Cold stays cold. Food and drinks stay fresh. The little things go a long way, so do we ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XYRH7F8 | | Age Range Description | Adult | | Best Sellers Rank | #2,262,737 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,428 in Insulated Tumblers | | Brand | THERMOS | | Capacity | 340 g | | Colour | green | | Country of Origin | USA | | Customer Reviews | 4.3 out of 5 stars 267 Reviews | | Enclosure Material | Stainless Steel | | Global Trade Identification Number | 00041205739548 | | Included Components | Stainless Steel Travel Tumbler | | Is the item dishwasher safe? | Yes | | Item Type Name | Stainless Steel Tumbler | | Item Weight | 11.8 Ounces | | League Name | ncaa | | Manufacturer | Thermos | | Manufacturer Part Number | TS1299GR4C | | Material | Stainless Steel | | Material Features | Insulated | | Model number | TS1299 | | Number of Items | 1 | | Occasion | travel | | Other Special Features of the Product | Dishwasher Safe | | OutputCapacity | 340 g | | Pattern | Solid | | Product Care Instructions | Dishwasher Safe | | Product Style | Contemporary | | Recommended Uses For Product | Travel | | Reusability | Reusable | | Shape | Tumbler | | Size | 1 Count (Pack of 1) | | Special Feature | Dishwasher Safe | | Style | Contemporary | | Theme | Car | | UPC | 041205739548 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** THERMOS - **Capacity:** 340 g - **Colour:** green - **Included Components:** Stainless Steel Travel Tumbler - **Material:** Stainless Steel - **Recommended Uses For Product:** Travel - **Shape:** Tumbler - **Special Feature:** Dishwasher Safe - **Style:** Contemporary - **Theme:** Car ## Images ![Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green - Image 1](https://m.media-amazon.com/images/I/51rZ1ZTKVYL.jpg) ![Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green - Image 2](https://m.media-amazon.com/images/I/51CoRUOtYJL.jpg) ![Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green - Image 3](https://m.media-amazon.com/images/I/51oNkMLBSML.jpg) ![Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green - Image 4](https://m.media-amazon.com/images/I/51EySzs-0kL.jpg) ![Guardian Collection by Thermos 12 Ounce Stainless Steel Travel Tumbler, Green - Image 5](https://m.media-amazon.com/images/I/51RlQjrGwUL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Bueno, cumple. *by L***S on 28 March 2026* Práctico, no tardan bebidas para calor. ### ⭐⭐⭐⭐⭐ حلو *by أ***ل on 31 October 2023* بس تنكب القهوة ويحفظ البروده ### ⭐⭐⭐⭐⭐ ممتاز *by T***I on 5 August 2023* عالي الجودة ## Frequently Bought Together - THERMOS ALTA SERIES Stainless Steel Tumbler 12 Ounce, Matcha Green - THERMOS ALTA SERIES Stainless Steel Tumbler 18 Ounce, Espresso Black - ALTA SERIES BY THERMOS Stainless Steel Tumbler 18 Ounce, Sleet White 18 Ounce, Sleet White --- ## 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.us/products/490480628-guardian-collection-by-thermos-12-ounce-stainless-steel-travel-tumbler](https://www.desertcart.us/products/490480628-guardian-collection-by-thermos-12-ounce-stainless-steel-travel-tumbler) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-11*