Stainless Insulated Flask

When it comes to keeping your beverages at the perfect temperature for hours on end, our premium Insulated Flask is the ultimate choice. Engineered with advanced vacuum insulation technology, this flask ensures that hot drinks stay steaming hot and cold drinks remain refreshingly chilled throughout the day. Whether you're heading to the office, embarking on a hiking adventure, or simply enjoying a picnic in the park, the reliability of our 24h Insulated Flask guarantees optimal performance. We offer a variety of sizes to suit different needs, including the compact and portable 750ml Insulated Flask for personal use, as well as the larger capacity 1.5L Insulated Flask ideal for sharing or longer trips. Each model is constructed from high-grade stainless steel, which not only provides exceptional durability but also resists rust and corrosion, ensuring a long-lasting product that withstands daily wear and tear.


The Stainless Insulated Flask is meticulously designed to combine functionality with sleek aesthetics. Its double-walled vacuum insulation creates an effective barrier against external temperature changes, maintaining the internal climate for extended periods. The flask features a precision-engineered leak-proof cap that seals tightly to prevent any spills, making it safe to carry in bags or backpacks. Additionally, the wide mouth opening allows for easy filling and cleaning, while the ergonomic handle offers a comfortable grip for convenient transportation. Crafted from food-grade 304 stainless steel, the interior is entirely BPA-free, ensuring that your drinks remain pure and uncontaminated. The exterior boasts a polished finish that is both scratch-resistant and easy to clean, preserving its elegant appearance over time. With thoughtful details such as a non-slip base and a carrying strap included, the Stainless Insulated Flask is built for everyday use in various environments, from busy urban commutes to outdoor excursions.

Key Features and Technical Specifications

  • Advanced double-wall vacuum insulation for superior temperature retention
  • Constructed from high-quality, food-grade 304 stainless steel
  • Leak-proof and sweat-proof design
  • BPA-free interior for safe drinking
  • Wide mouth for easy filling and cleaning
  • Ergonomic handle and included carrying strap for portability
  • Scratch-resistant and rust-proof exterior finish
  • Non-slip base to prevent spills
Model Capacity Insulation Performance Weight Dimensions (H x Diameter)
Standard Insulated Flask 500ml Maintains temperature for 12 hours 380g 21cm x 7cm
24h Insulated Flask 1L Maintains temperature for 24 hours 450g 25cm x 8cm
750ml Insulated Flask 750ml Maintains temperature for 18 hours 420g 23cm x 7.5cm
1.5L Insulated Flask 1.5L Maintains temperature for 20 hours 600g 28cm x 10cm

Hot Products

  • Double Wall Gym Vacuum Cup

    Double Wall Gym Vacuum Cup

    Kudike has a factory with rich experience in manufacturing double wall gym vacuum cups, with a complete production line from stainless steel insulated cup raw materials to surface treatment, equipped with complete equipment at all stages. Therefore, we are able to produce orders in large quantities. Please rest assured of our productivity and staffing! If you are interested, you can come to our factory for a visit and inspection!
  • Vacuum Insulated Tumbler with Handle

    Vacuum Insulated Tumbler with Handle

    As a well-known vacuum insulated tumor with handle manufacturer in China, Kudike has advanced technology to create better products! The thermos cup is made of high-quality 18/8 stainless steel material, with a surface treated with high-quality powder coating, and is equipped with a BPA free cup lid, ensuring the health and safety of your drink.
  • Travel Insulated Tea Kettle Portable

    Travel Insulated Tea Kettle Portable

    1.2L 1.6L 2L 3L 4L 5.2L stainless steel travel insulated tea kettle portable, keep warm 24 hours, keep colder 28 hours. Made from Kudike brand, who is the factory in water bottle industry. We have ability to production hurry order and can keep first-class quality. Look forward to hear your new through the mail.
  • Titanium Mug

    Titanium Mug

    Kudike is the factory of stainless steel bottle , and at this year, we increase one new production line for titanium bottle. We ensure the quality of every titanium mug, you can then sell them with confidence. Welcome to inquiry us.
  • Insulated Cola Bottle

    Insulated Cola Bottle

    We are the factory which is in water bottle industry, the insulated cola bottle is one of dozens of items. Our main goal is to reduce plastic pollution in the global pollution problem. High quality and nice surface, low price. Welcome to inquiry us.
  • Travel Mugs

    Travel Mugs

    710ml Double wall stainless steel vacuum insulated travel mugs with handle rope, production by our source factory with high quality and 100% inspected appearance.
    Look forward to hear your mail to communicate more order detail.

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