24h Insulated Flask

When it comes to reliable temperature retention for your beverages, an Insulated Flask is the ultimate choice for everyday adventures. Our high-performance models, like the convenient 750ml Insulated Flask perfect for personal use, or the larger capacity 1.5L Insulated Flask ideal for sharing, are engineered to meet diverse needs. Crafted with premium Stainless Insulated Flask materials, these flasks offer superior durability and are designed to keep your drinks hot or cold for extended periods.


The 24h Insulated Flask is meticulously constructed with double-wall vacuum insulation technology. This advanced system creates an airless space between the inner and outer walls, drastically reducing heat transfer through conduction or convection. The result is exceptional thermal performance, ensuring your coffee stays piping hot for your morning commute or your iced water remains refreshingly cool during a summer hike. The outer body is made from rugged, food-grade 18/8 stainless steel, which is highly resistant to corrosion, rust, and odors. A durable, BPA-free plastic cap with a secure screw-on lid and a leak-proof silicone seal guarantees that your flask can be tossed into a bag without any worries of spills. The sleek, streamlined design is not only aesthetically pleasing but also ergonomically shaped for a comfortable grip.

  • Capacity: Available in 750ml and 1.5L sizes.
  • Material: 18/8 Food-Grade Stainless Steel (Inner & Outer Wall).
  • Insulation: Double-Wall Vacuum Insulation.
  • Temperature Retention: Keeps liquids hot for up to 24 hours and cold for up to 36 hours.
  • Lid Material: BPA-Free Plastic with Silicone Seal.
  • Dimensions (750ml): Height: 9.5 inches, Diameter: 3 inches.
  • Dimensions (1.5L): Height: 11.5 inches, Diameter: 3.5 inches.
  • Weight (Empty, 750ml): 450 grams.
  • Weight (Empty, 1.5L): 650 grams.
Feature 750ml Insulated Flask 1.5L Insulated Flask
Best For Individual Use, Commuting, Day Trips Sharing, Sports, Picnics, Long Outings
Hot Retention (≥65°C) 24 Hours 24 Hours
Cold Retention (≤10°C) 36 Hours 36 Hours
Warranty 5-Year Limited Warranty

Hot Products

  • 16oz Mason Jar with Handle

    16oz Mason Jar with Handle

    Kudike is a professional supplier of stainless steel thermos bottles located in Zhejiang, China. The 16oz mason jar with handle produced by Kudike comes with a convenient handle that fits the palm size of our human body. It is equipped with a straw for easy drinking and carrying, and you can also drink water elegantly. I believe this is the ideal choice for you when you go out!
  • 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 .
  • Water Bottle for Supermarket

    Water Bottle for Supermarket

    Are you still troubled by the fact that your child doesn't like drinking water, the water cup doesn't keep warm, and the material is not safe? Kudike has specially designed high-quality water bottles for children specifically for supermarkets. The entire chain from the inner liner to the cup lid has been upgraded. Using food-grade safe materials and cute cartoon designs, it solves all the concerns of parents! As the original factory, we have sufficient stock and support customization. We have already provided stable supplies to hundreds of mother-and-child stores and kindergartens across the country, using our strength to safeguard the drinking health of every child.
  • 40oz Tumbler with Lid

    40oz Tumbler with Lid

    KudiKe quencher flip straw with handle tumbler, 40oz, big capacity.
    40oz Tumbler with Lid has new design lids, more fasion.
    Free sample, contact us to open the huge market.
  • Spill Proof Water Bottle

    Spill Proof Water Bottle

    The spill proof water bottle can keep warm more than 24 hours. Made from our own factory, whcih have more than 8 years experience in water bottle industry. We are look for the new market all of the world, if you are interesting in this stainles steel bottle industry, contact us, don't hesitate.
  • Travel Coffee Mugs

    Travel Coffee Mugs

    Kudike production this travel coffee mugs, which is the high quality, prefect surface. Our factory is Yongkang Jiangzhi Cup Industry Co., Ltd., based on the center of stainless steel water bottle in the world. We keep our heart on every process of production. We are looking for long time cooperation partner for mutual benefits in the days to come.

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