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800ML 304  Double Wall Vacuum Flask Car Portable Thermal Kettle Coffee Jug Teapot
Travel Mug

800ML 304 Double Wall Vacuum Flask Car Portable Thermal Kettle Coffee Jug Teapot

Double Wall Vacuum Insulation: Our flask is crafted with a double wall vacuum insulation technology that locks in temperature, ensuring your drink stays hot for up to 12 hours or cold for up to 24 hours.

304 Food Grade Stainless Steel: Made from premium 304 stainless steel, this flask is durable, rust-resistant, and free from BPA, ensuring the purity and freshness of your beverages.

Leak-Proof Design: With a secure screw-on lid and a leak-proof seal, this flask is perfect for on-the-go use, whether you're commuting, traveling, or adventuring.

Portable and Compact: The compact design fits most car cup holders and bags, making it easy to take your favorite beverage anywhere.

Easy to Clean: The wide mouth and smooth interior make cleaning a breeze, ensuring your flask is always ready for its next use.

    Product details

    Capacity 800ml
    Material 304 Stainless Steel
    Insulation Double Wall Vacuum
    Temperature Retention Hot for up to 12 hours, Cold for up to 24 hours
    Size Fits most standard car cup holders
    Cleaning Dishwasher safe for easy cleaning

    Main Advantage

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    Durability Meets Style

    Crafted from 304 stainless steel, our flask is not only tough but also elegant. The matte finish adds a touch of sophistication, making it a stylish addition to any setting. Plus, it's built to last, withstanding the rigors of daily use without rusting or corroding.


    Practicality at Your Fingertips
    The flask's leak-proof design means you can toss it in your bag without worry. The secure lid clicks into place, providing peace of mind that your beverages will stay inside the flask and not in your bag.


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    Designed for Convenience
    We understand that life is a journey, and you need a travel mug that can keep up. That's why our flask is designed to fit most car cup holders, making it the perfect travel companion for those long drives.

    Easy Maintenance
    Cleaning your flask is a hassle-free experience. The wide mouth allows for easy access, and the smooth interior surface means no residue is left behind, ensuring your flask is always ready for its next adventure.

    How to test the insulation effect of this thermos

    To test the insulation effect of an 800ML 304 stainless steel double-layer vacuum thermos, the following standards and methods can be followed:

    1. Insulation time test
    According to the thermos testing standard, insulation time is one of the important indicators for evaluating the insulation effect of the thermos. For thermos of different sizes and capacities, the insulation time requirements at room temperature are also different. For example, a small thermos requires at least 8 hours of insulation, a medium-sized thermos requires at least 12 hours of insulation, and a large thermos requires at least 24 hours of insulation

    2. Temperature change record
    Pour water heated to a specific temperature into the thermos, record the temperature change of the thermos over time, and use the final temperature at the end of the insulation time as an evaluation indicator. This is a direct method to detect the insulation effect

    3. Sealing performance test
    The sealing performance of the thermos has an important influence on its insulation effect. The standard stipulates the sealing performance requirements of the thermos, ensuring that the water spout and the lid have good sealing performance and are not prone to water leakage.

    4. Simple identification method
    Pour boiling water into the thermos and tighten the bottle stopper or lid clockwise for 2-3 minutes, then touch the outer surface of the cup with your hand. If the cup is obviously warm, especially the lower part of the cup, it means that the product has lost its vacuum and cannot achieve a good insulation effect. The bottom of a cup with good insulation effect is always cool

    5. Impact resistance test
    Fill the thermos with room temperature water, hang it vertically at a height of 400mm with a hanging rope, and drop it to a horizontally fixed hard wooden board with a thickness of more than 30mm in a static state to check for cracks and damage, and at the same time check whether the insulation performance meets the relevant regulations

    6. Sealing test
    Fill the thermos body with 50% of the volume of hot water above 90℃, seal it with the original cover (plug), and swing it up and down 10 times at a frequency of 1 time/second and an amplitude of 500mm with the mouth facing up to check for water leakage

    7. Hot water resistance test for rubber parts
    Place the rubber parts in the container of the reflux condensation device, take them out after slightly boiling for 4 hours, and check whether they are sticky. After placing them for 2 hours, check their appearance with naked eyes for obvious deformation

    Through the above method, the insulation effect of the 800ML 304 stainless steel double-layer vacuum insulation pot can be fully tested to ensure that it meets the high standard insulation performance requirements. These tests not only evaluate the thermos's ability to retain heat, but also other important performance indicators such as sealing and impact resistance.

    Which models of cup holders can it be placed in?

    1.Center console water bottle slot: Generally speaking, the water bottle slot in the center console of a car is designed to be small, mainly suitable for placing water cups rather than large thermos cups. Therefore, for an 800ML thermos, you need to ensure that the center console cup holder of the car model is spacious enough to accommodate it.

    2.Car thermos holder: There are many car thermos holders on the market, which are suitable for any car model. They can be fixed on the center console of the car or in the trunk of the car. This means that the 800ML thermos can be adapted to a variety of models through these holders.

    3.Capacity adaptation: For car owners who drive frequently, a thermos of about 500ml is the most suitable to carry with them. The 800ML thermos has a slightly larger capacity, but it is still suitable for use in the car, especially for drivers who need larger drinks.

    4.Car thermos rack: Amazon and other e-commerce platforms provide a variety of car thermos racks, which are suitable for different models and can be fixed in the car. They are suitable for thermos bottles.

    5.Brand recommendation: Some brands such as Peacock, Tiger and EGO provide thermos cups designed for cars. These thermos cups usually have excellent insulation effect and humanized design. Although these are thermos cup brands, their existence shows the market demand for car thermos containers and the diversity of adaptability solutions.

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