English
Home > Products > leakproof vacuum flask

leakproof vacuum flask

Discover the ultimate solution for keeping your beverages at the perfect temperature all day long with our advanced leakproof vacuum flask. This premium stainless steel vacuum flask is engineered for durability and style, ensuring your drinks stay hot or cold for extended periods. Its superior insulation technology makes it an exceptional insulated vacuum flask, perfect for daily use, whether you're at the office, on a hike, or commuting. Designed with portability in mind, this versatile travel vacuum flask features a sleek, lightweight build that fits easily in car cup holders, backpacks, or bags. With a generous capacity, our reliable 1 liter vacuum flask is ideal for staying hydrated during long trips or busy days, while the leakproof cap guarantees no spills, even when on the move. Crafted from high-quality, BPA-free materials, it offers a safe and eco-friendly way to enjoy your favorite beverages anytime, anywhere.


The LeakProof Pro Flask is meticulously designed to meet the highest standards of performance and convenience. It features double-wall vacuum insulation, which effectively maintains the temperature of hot drinks for up to 12 hours and cold beverages for up to 24 hours. The flask is constructed from 18/8 food-grade stainless steel, ensuring it is rust-resistant and retains no odors or flavors. Its wide mouth allows for easy filling and cleaning, while the ergonomic, leakproof screw-on lid provides a secure seal to prevent any accidental leaks. The exterior is finished with a durable, sweat-proof coating that keeps condensation at bay, making it comfortable to hold. Additionally, the LeakProof Pro Flask includes a carry handle for added portability and is dishwasher safe for effortless maintenance. Below is a detailed overview of its specifications:

  • Capacity: 1 Liter (32 oz)
  • Material: 18/8 Food-Grade Stainless Steel
  • Insulation: Double-Wall Vacuum
  • Temperature Retention: Hot for 12 hours, Cold for 24 hours
  • Lid Type: Leakproof Screw-On Cap
  • Exterior Finish: Sweat-Proof Coating
  • Additional Features: Carry Handle, Wide Mouth, Dishwasher Safe
SpecificationDetails
Height10.5 inches (26.7 cm)
Diameter3.2 inches (8.1 cm)
Weight14.5 oz (411 g)
Warranty5 Years
Color OptionsBlack, Silver, Blue, Green

Related Products

Hot Products

  • Coffee Mug

    Coffee Mug

    Coffee mug is one of products of kudike brand, who is the manufacturer of stainless steel coffee mug. Our factory main aim: quality, speed of production, suitable price and good serve. We are welcome to the similar aim partner to join 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.
  • Insulated Flask

    Insulated Flask

    Factory direct sale.
    This insulated flask have three different capacity: 20 oz, 30 oz, 40 oz. Double wall insulated, both made of 18/8 stainless steel.
    If you are interesting in it, inquiry us, we will offer a appropriate price as your demand.
  • Cola Bottle with Handle

    Cola Bottle with Handle

    Advanced Cola bottle with handle represents Kudike's relentless pursuit of innovation, with different handle designs that make it convenient for people with different needs. This water bottle looks very heavy, but it is very lightweight and has good insulation performance. The color scheme is high-end, and I believe it is not only a practical accessory, but also a manifestation of personality. Our factory tracks the entire process from raw materials to finished water bottles. Welcome to visit our factory.
  • Fountain Tumbler

    Fountain Tumbler

    We are the source factory, located in Yongkang City, Zhejiang Province, and it is the world's largest production base of stainless steel insulated cups.
    Fountain tumbler is the hotest sale stainles steel tumbler in the market.
    We are looking for long time cooperation partner for mutual benefits.
  • Temperature Display Pot

    Temperature Display Pot

    With Kudike's intelligent temperature control lid and slow brewing process, this high-quality temperature display pot helps you brew accurately and enjoy a richer and healthier tea drinking experience. We also provide customized packaging services. When you encounter different occasions that require different packaging appearances, you can come to us for customization!
  • Related Blog
  • Reviews

  • The precaution we need to be paid attention when use Stainless Steel Bottle

    When using a stainless steel bottle, there are several precautions to keep in mind to ensure safety, hygiene, and durability:

  • Why Do Your Customers Keep Coming Back for Better Water Flasks?

    ​At Yongkang Jiangzhi Cup Industry, we've watched the water flask market evolve over the years. One thing never changes - people want flasks that keep drinks hot or cold without the hassle. That's why our water flasks are designed for real life, not just store shelves.

  • We have 200000 OPPO customized cold change cups!

    Our company has successfully delivered 200,000 OPPO customized single-layer stainless steel cold-change cups (color-changing below 18℃). Facing the technical difficulties of strict Pantone color matching and delicate cold-change paint, the team adopted high-quality paint, automated dust-free spraying lines and fine spray guns, completing the task in 30 days with qualified quality and customer praise, and we are capable of undertaking various demanding customized cup needs.

  • To Make a Thermos Cup, It Is Not Only Necessary to Have a Beautiful Appearance, But Also to Be Well-Rounded Both Inside and Out

    Half of 2025 has passed. During this period, we have produced a total of 3.6 million stainless steel insulated cups, which have been sold globally. Among them, Chinese gift orders account for 40%, the United States for 10%, Europe for 25%, Japan and South Korea for 10%, and other regions for 15%.

  • How to Choose the Best Titanium Bike Water Bottle for Performance and Durability?

    Titanium bike water bottles have become a premium choice for cyclists seeking durability, safety, and performance. This guide explores how to select the right titanium bottle by analyzing key parameters, practical usage scenarios, and common buyer concerns. It also outlines essential features, comparisons, and maintenance tips to help cyclists make informed purchasing decisions.

  • What Makes an Outdoor Bottle Essential for Adventurers?

    In today’s active lifestyle, outdoor bottles have transformed from simple hydration accessories into essential tools for adventure, fitness, and everyday use. This comprehensive guide explores what outdoor bottles are, why they matter, how to choose the best one, the different materials and technologies available, and the latest market insights shaping consumer behavior. With detailed sections and clear guidance, you’ll understand how to make an informed decision and optimize your hydration strategy across all environments.

Send Inquiry

Hit enter to search or ESC to close
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