double wall stainless flask

When it comes to keeping your beverages at the perfect temperature on the go, our double wall stainless flask is the ultimate choice for durability and performance. Whether you need a wide mouth vacuum flask for easy filling and cleaning, a lightweight travel flask for effortless portability, an insulated flask for hiking that withstands outdoor adventures, or a large flask with handle for convenient carrying, our product line offers versatile solutions. Crafted with premium 18/8 stainless steel and advanced vacuum insulation technology, this flask ensures your drinks stay hot for up to 12 hours or cold for up to 24 hours, making it ideal for daily commutes, workouts, and outdoor excursions. The sleek, rust-resistant design is not only stylish but also built to last, providing reliable performance in any environment.


The Double Wall Stainless Flask features a range of specifications designed for maximum convenience and efficiency. Below are the detailed product parameters presented in both a list and table format for clarity.

  • Material: High-quality 18/8 food-grade stainless steel, BPA-free and odor-resistant.
  • Insulation: Advanced double-wall vacuum insulation for optimal temperature retention.
  • Capacity Options: Available in 16 oz, 24 oz, and 32 oz sizes to suit different needs.
  • Lid Type: Leak-proof screw cap with a silicone seal for secure closure.
  • Exterior Finish: Brushed stainless steel with a durable, sweat-proof coating.
  • Compatibility: Fits most car cup holders and backpack pockets for easy transport.
  • Care Instructions: Dishwasher safe for effortless cleaning (lid hand wash recommended).
Feature Specification
Material 18/8 Stainless Steel
Insulation Type Double-Wall Vacuum
Hot Retention Up to 12 hours
Cold Retention Up to 24 hours
Capacity 16 oz, 24 oz, 32 oz
Weight (Empty) Approx. 10.5 oz (16 oz model)
Lid Material BPA-Free Plastic with Silicone Seal
Dimensions (Height x Diameter) 8.5" x 2.8" (16 oz model)
Warranty 5-Year Limited Warranty

Hot Products

  • Pineapple Tumbler

    Pineapple Tumbler

    We are factory of stainless steel pineapple tumbler. Our stainless steel water bottle factory is in Yongkang city, zhejiang province, China. We have more than 10 years experience in vacuum tumbler industry, we make the good quality bottle for all the world. Hope we can be the long time cooperation partner.
  • Titanium Water Bottle With Magnetic Lid

    Titanium Water Bottle With Magnetic Lid

    Kudike is the factory of titanium water bottle with magnetic lid.
    We are not merely a factory that produces insulated cups; we are also a loyal advocate for environmental protection on Earth. Our aim is to reduce the waste of disposable plastic cups worldwide with every cup we sell. We have been taking action all along.
    We ensure the quality of every titanium mug, you can then sell them with confidence.
    Welcome to inquiry us.
  • Personalized Coffee Tumbler

    Personalized Coffee Tumbler

    Kudike's high-quality Personalized Coffee Tumbler is a lifestyle accessory that combines practical functionality with self-expression. It goes beyond the basic purpose of serving beverages and becomes a mobile carrier for users' personal style, emotional memory, or brand identity through customized appearance design (such as printing names, quotes, exclusive patterns, or photos).Kudike has decades of experience in the production and operation of thermos cups, and has many machines that create endless possibilities for our thermos cups. Welcome to contact us for customized products.
  • Personalised Thermal Mug

    Personalised Thermal Mug

    400ml and 600ml double wall vacuum insulated personalised thermal mug,production by Jiangzhi Cup manufacturer ,which is ine the stainless steel water bottle center in the world-Yongkang City.
  • 2 in 1 Thermos Flask

    2 in 1 Thermos Flask

    Yongkang Jiangzhi Cup Industry Co.,Ltd. has developed a 2 in 1 thermos flask, innovatively breaking through the traditional norms, which established a solid market position with its high-quality standards, and empowering win-win cooperation through a mature supply chain. Whether it's for efficient hydration during exercise or for expanding channels and customizing gifts, Kudike always delivers high standards, excellent services, and strong capabilities, making it a reliable choice for sports water bottle brands.
  • 40oz Stainless Steel Ice Tumbler Cup with Taste Adapter

    40oz Stainless Steel Ice Tumbler Cup with Taste Adapter

    Kudike 2025 New Silicone Straw Lid Double Wall Insulated Thermos Bottle 40oz Stainless Steel Ice Tumbler Cup with Taste Adapter.
    We are the factory in stainless steel water bottle industry ,who have more than 12 years experience.
    And we are looking for the partner who have quality demand to match us for big market .
    We have fast delivery speed ,high quality serve and products quality control.
    Contact us through our mail with your question and order details.
    Look forward to hear you soon.

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