Isothermal Flask

Whether you are heading to the office, going on a long journey, or packing for a picnic, maintaining the temperature of your food and drinks is crucial for enjoyment and convenience. That is where our high-performance isothermal flasks come into play. Designed for everyday use and special occasions, these flasks are engineered to keep your beverages hot or cold for extended periods. For those needing a compact yet reliable option, our 650ml Isothermal Flask is perfect for individual use, easily fitting into car cup holders or bags. For larger gatherings or longer trips, the 1.3L Isothermal Flask offers ample capacity without compromising on insulation performance. Safety and hygiene are paramount, which is why our Food-Grade Isothermal Flask is made from certified non-toxic materials, ensuring your consumables stay pure and safe. And when adventure calls, the Picnic Isothermal Flask is your go-to companion, featuring a rugged design and easy-carry handle for outdoor escapades.


The Isothermal Flask is built with precision and user convenience at its core. Each flask undergoes rigorous testing to meet high standards of durability and thermal efficiency. The key to its performance lies in the advanced vacuum insulation technology, which minimizes heat transfer and ensures contents stay at the desired temperature for hours. We prioritize ease of use with features like a wide mouth for easy filling and cleaning, a leak-proof cap to prevent spills, and an ergonomic design for comfortable handling. Below is a detailed overview of the technical specifications and features that make the Isothermal Flask an indispensable item for daily life and travel.

  • Material: 304 Stainless Steel (Inner & Outer)
  • Insulation: Double-Wall Vacuum Insulation
  • Capacity Options: 650ml, 1L, 1.3L
  • Temperature Retention: Keeps hot for up to 12 hours, cold for up to 24 hours
  • Lid Type: Screw-on, Leak-Proof Design
  • Additional Features: Non-Slip Base, BPA-Free, Dishwasher Safe
Model Capacity Weight Dimensions (H x Diameter) Best Use
Standard 650ml 450g 22cm x 8cm Personal, Commute
Large 1.3L 680g 28cm x 10cm Family, Outings
Outdoor 1L 520g 25cm x 9cm Picnics, Travel

Beyond the specifications, the Isothermal Flask is designed for versatility. It accommodates various liquids, from coffee and tea to soups and smoothies, making it a multi-purpose tool in your kitchen or on the go. The sleek, modern appearance complements any setting, while the sturdy construction ensures it withstands daily wear and tear. Cleaning is straightforward thanks to the smooth interior surface, and the wide opening allows for effortless filling with ice cubes or solid foods. Whether used at home, in the office, or during outdoor activities, the Isothermal Flask delivers consistent performance, helping you enjoy your favorite drinks and meals at the perfect temperature anytime, anywhere.

Hot Products

  • 2oz Tumbler

    2oz Tumbler

    We are the manufacturer of 2oz tumbler. This capacity suiatble one cup of spirit. We are production the high quality bottle. We are looking for long time cooperation partner for mutual benefits in the days to come.
  • Auto Mug with Handle and Straw

    Auto Mug with Handle and Straw

    This auto mug with handle and straw is the most suitable product for experienced coffee enthusiasts. It is completely leak proof, you can throw it into your bag or let it roll freely in the car. The ceramic coating on the inner layer ensures that there will be no metallic odor contaminating your perfect morning coffee. Thanks to the vacuum insulated stainless steel material, Kudike's auto mug with handle and straw performed very well in our insulation tests, with a temperature drop of only 44 degrees within six hours.
  • 30oz Owala Stainless Steel Tumblers Tote Cup

    30oz Owala Stainless Steel Tumblers Tote Cup

    Kudike is the factory of 30oz Owala Stainless Steel Tumblers Tote Cup , and at this year ,we increase one new production line for expend the daily production.
    We ensure the quality of every titanium mug, you can then sell them with confidence.
    Welcome to inquiry us.
  • Insulated Stainless Steel Hydration Flask

    Insulated Stainless Steel Hydration Flask

    Do you want to gift someone a customized insulated stainless steel hydration flask that is suitable for daily use, exercise, and commuting, and can be used in all scenarios? Yongkang Jiangzhi Cup Industry Co.,Ltd. integrates long-lasting temperature retention, portable leak-proof, and car-friendly features, and can also customize the gift packaging for your special occasion! Feel free to contact us at any time. We are eagerly awaiting your inquiries!
  • Vacuum Flask with Silicone Figurine

    Vacuum Flask with Silicone Figurine

    Are you still worried about not being able to find a thermos that combines beauty and safety? What makes Kudike, a high-quality vacuum flask with silicone figure that combines cute appearance and hardcore strength, a favorite among moms, students, and professionals? It is not only a drinking water container that can lock in temperature, but also a personalized item that can light up daily life. From the rigorous selection of food grade materials, to the thoughtful adaptation of dual drink design, and to the healing effect of animal shapes, every detail hides a heart for life.
  • Albumen Powder Shaker Bottle

    Albumen Powder Shaker Bottle

    As a leading supplier of Albumen powder shaker bottle in Zhejiang, China, Kudike has always maintained its original intention of serving customers in need of hydration. We are fully dedicated to researching how to free our hands and save time and space costs for everyone. Therefore, we have designed and produced this thermos bottle, which has a storage function at the bottom, providing a place for you to mix and match with the granules when you travel. If you need customization, you can also contact us!

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