

Xiaomi Mijia Thermos Cup 1.5L & 1.8L Stainless Steel Vacuum Flask
৳4360
৳3290
25% OFF
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The Xiaomi Mijia Thermos Cup is a high-performance vacuum flask designed for reliable, all-day thermal management. Available in 1.5L and 1.8L capacities, this vessel utilizes advanced vacuum insulation and a premium 316L stainless steel interior to maintain hot drinks at 75°C or cold drinks at 9°C for up to 6 hours, making it an essential companion for home, office, or travel.
Key Takeaways
- Dual-temperature retention: Keeps drinks hot or cold for up to 6 hours.
- Premium materials: Features a high-grade 316L stainless steel inner liner.
- Large capacity: Available in 1.5L and 1.8L sizes for versatile daily hydration.
- Easy maintenance: Wide 71mm mouth and electrolyzed interior simplify cleaning.
What Is the Xiaomi Mijia Thermos Cup?
This insulated vessel is a sophisticated solution for users who demand consistent beverage temperatures without compromising on material safety. Unlike standard flasks, the Xiaomi Mijia model uses an electrolyzed inner wall and high-vacuum technology to ensure that flavors remain untainted and temperatures are locked in securely. Our product team reviewed the design, specifically noting the ease of the pinch-to-open lid for one-handed operation.
Key Features
- 316L Stainless Steel Liner: This high-grade material provides superior resistance to corrosion and high temperatures, ensuring that every sip is safe and fresh.
- High-Vacuum Insulation: The double-walled vacuum technology provides excellent thermal efficiency, keeping your coffee steaming or your water ice-cold for 6 hours.
- Pinch-to-Open Design: The grooved lid is designed for easy, two-finger operation, ensuring a secure seal that prevents accidental spills during transport.
- Pressure Relief Protection: A built-in valve safely releases steam when opening the lid, preventing hot splashes and ensuring user safety.
- Wide 71mm Mouth: The extra-wide opening makes filling, pouring, and scrubbing the interior straightforward, which reduces the buildup of residue over time.
Technical Specifications
- Capacity: 1.5L (MJBWH03PL) or 1.8L (MJBWH01PL)
- Material: 316L inner liner, 304 shell, silicone seals, PP lid
- Weight: 866g (1.5L) or 920g (1.8L)
- Dimensions: 117 x 171 x 265 mm
- Mouth Diameter: 71 mm
Why Choose This Flask for Your Daily Routine
Whether you are preparing a large batch of tea for the office or keeping cold water ready during a road trip, this thermos offers a balance of durability and capacity. The exterior is spray-coated for a sleek, premium finish that resists fingerprints and minor scratches, making it a stylish addition to any workspace.
The internal construction is specifically engineered for hygiene. Because the interior is electrolyzed, it is ultra-smooth, which discourages residue accumulation and allows you to switch between different beverage types without lingering flavors.
Travel and Office Use
The 1.5L and 1.8L capacities are perfect for scenarios where you need sustained hydration. By maintaining liquid temperatures for 6 hours, it ensures that your morning beverage remains at the perfect heat level well into your workday, eliminating the need for frequent trips to the pantry.
Simplified Cleaning
Maintaining a flask can be difficult if the opening is narrow. The 71mm wide mouth is a significant functional advantage, allowing you to easily add ice cubes or reach inside with a bottle brush for deep cleaning. This design prevents the typical issues of mineral buildup and odor retention that plague smaller, restricted-mouth containers.
What's Included
- 1x Xiaomi Mijia Thermos Cup
- 1x Instruction Manual





- The Xiaomi Mijia Thermos Cup utilizes high-vacuum insulation technology to maintain a temperature of 75°C for hot beverages or 9°C for cold beverages for up to 6 hours, provided the lid remains sealed and the flask is filled to its rated capacity.
- The primary difference is the physical volume and weight. The 1.5L model (MJBWH03PL) weighs approximately 866g, while the 1.8L model (MJBWH01PL) is slightly larger and weighs 920g. Both models share the same 316L stainless steel interior and thermal performance metrics, so the choice depends on your daily hydration needs.
- Yes, the inner liner is constructed from high-grade 316L austenitic stainless steel. This material is specifically chosen for its resistance to corrosion and high-temperature tolerance, making it a safe choice for holding water, tea, coffee, or other common beverages while ensuring they remain free from metallic tastes or chemical leaching.
- To clean the Xiaomi Mijia Thermos Cup, use a soft bottle brush with warm water and mild detergent. The wide 71mm mouth opening allows for easy access to the interior walls. Avoid using harsh steel wool or abrasive cleaners, which could damage the ultra-smooth electrolyzed surface, and ensure the silicone seals are properly reinserted after washing.
Related in this store
- MI Viomi Thermo Flask— Alternative vacuum flask option for comparison.
- Mi Deerma Thermos Kettle— Smart alternative for those requiring heating functionality.
- Xiaomi Mi TDS Water Tester— Complementary product for checking water quality.
Sources
- Stainless steel material safety standards— Official British Stainless Steel Association guidelines on steel safety.
- Understanding vacuum insulation technology— Technical context on thermal physics standards.
Reviewed by Adatun Team — reviewed by our category experts