double wall vacuum insulated flask

Discover the ultimate solution for keeping your beverages at the perfect temperature with our stainless steel vacuum insulated flask. Whether you're commuting to work or embarking on an adventure, this flask ensures your drinks stay hot or cold for hours. The compact 16 oz vacuum insulated flask is ideal for daily use, fitting seamlessly into your bag or cup holder. For those always on the go, the travel vacuum insulated flask features a durable design that resists leaks and impacts, making it a reliable companion. If you love exploring the great outdoors, our rugged outdoor vacuum insulated flask is built to withstand harsh conditions, keeping your refreshments ready whenever you need them. Each model is designed with user convenience in mind, offering easy-to-clean interiors and ergonomic lids for spill-proof performance.


The "Double Wall Vacuum Insulated Flask" stands out with its advanced insulation technology, which creates a vacuum-sealed barrier to minimize heat transfer. This allows the flask to maintain temperatures effectively, whether you're storing coffee, tea, or cold beverages. Below is a detailed breakdown of its specifications:

  • Capacity Options: 12 oz, 16 oz, 20 oz, and 24 oz sizes available to suit various needs.
  • Material: Made from high-grade 304 stainless steel, ensuring durability and resistance to rust and corrosion.
  • Insulation Performance: Keeps liquids hot for up to 12 hours and cold for up to 24 hours under normal conditions.
  • Lid Design: Features a screw-on lid with a silicone gasket for a secure, leak-proof seal; some models include a push-button opening mechanism.
  • Exterior Finish: Brushed or polished stainless steel surface with optional powder coating for enhanced grip and style.
  • Weight: Ranges from 300g to 450g depending on size, making it lightweight for portability.
  • Dimensions: Compact and space-saving; for example, the 16 oz version measures approximately 7.5 inches in height and 2.8 inches in diameter.
  • Care Instructions: Hand wash recommended with mild detergent; not suitable for microwave or dishwasher use to preserve insulation integrity.
Feature Specification
Body Material 304 Stainless Steel
Insulation Type Double Wall Vacuum
Temperature Retention Hot: Up to 12 hours, Cold: Up to 24 hours
Lid Type Screw-on with Silicone Seal
Capacity Range 12 oz to 24 oz
Weight Range 300g - 450g
Care Hand Wash Only

Hot Products

  • Children's Cartoon Stainless Steel Cup

    Children's Cartoon Stainless Steel Cup

    The children's cartoon stainless steel cup adopts a brand new color scheme, with many cartoon patterns for you to choose from, simple yet eye-catching. No matter where you go, your child can recognize their kettle at a glance! The silicone suction nozzle has a built-in valve that automatically stops dispensing water when no one is drinking, making it convenient for children to quench their thirst at any time. Even if the water cup is poured, it will not spill out. This stainless steel cup is the choice for lively and active children, or children who have just transitioned from straw cups to open water cups.
  • Oversized Travel Cup with Handle and Lid

    Oversized Travel Cup with Handle and Lid

    Kudike has been deeply involved in Oversized Travel Cup with Handle and Lid for many years, abandoning the homogenization routine of stealing and reducing materials in the industry, and adhering to the high standard of 304 materials for both internal and external use; Internally and externally unified food grade 304 material for long-term cold locking, with non condensing water droplets on the outer wall; The widened hollow PP handle is anti slip and easy to grip, with a contrasting straw sealing cover with side hooks, and a stepped cup bottom that is compatible with a car cup holder. Fully self-produced throughout the entire process, with complete qualifications, balancing online retail beauty selling points with offline large-scale stable supply, to create high repurchase and large capacity refrigerated portable cups for global merchants.
  • Reusable Waterproof Insulated Water Bottle

    Reusable Waterproof Insulated Water Bottle

    Kudike 260ml reusable waterproof insulated water bottle, easy put into your pocket.
    We are the manufacturer of stainless steel vacuum insulated pocket bottle, we are production high quality stainless steel to reduce the plastic contamination.
    Hope to hear your new for long time cooperation.
  • Travel Mug with Handle

    Travel Mug with Handle

    we are the factory of stainless steel travel mug with handle.
    Our production line keep our each products is 100% prefect and high quality.
    We are looking for wholesale ,supermarket,gifts cooperation partoner .
  • Multi-color Thermos with Handle

    Multi-color Thermos with Handle

    Kudike's Multi-color thermos with handle is made of food grade 304 stainless steel material. We use advanced technology to make it less prone to rusting, durable, and aesthetically pleasing in color, making it an timeless design. Let you enjoy the food to the fullest while also being pleased to see it. Kudike not only invests in improving product quality, but also delves into the exterior of the product. It is not only beautiful, but also showcases your taste. We are a leading supplier of insulated cups with advanced thinking in China. Please feel free to contact us anytime!
  • Travel Vacuum Bottle

    Travel Vacuum Bottle

    Come and use the Kudike fashion travel vacuum bottle, allowing you to drink anytime, anywhere without the need for frequent refills. The insulation layer can keep drinks cool for several hours. Do you want to conveniently carry a thermos? We have equipped this thermos bottle with a handheld handle, which is made of very soft material and does not hold hands. This 600ml stainless steel insulated cup is compact and portable, and can fit into most car cup holders. We provide customized services, you can contact us wayne@ykviski.com We are always online to communicate your creative ideas at any time!

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept