Leakproof Insulated Flask

Whether you're heading to the office, hitting the gym, or embarking on an outdoor adventure, a reliable vessel for your drinks is essential. An Insulated Flask is the perfect companion, designed to maintain your beverage's ideal temperature for hours. For those who demand long-lasting performance, our advanced 24h Insulated Flask guarantees your coffee stays hot or your water stays cold throughout the entire day and night. We offer a range of sizes to fit every need, from the conveniently portable 750ml Insulated Flask ideal for a personal daily supply, to the high-capacity 1.5L Insulated Flask perfect for sharing on long trips or ensuring you stay hydrated without constant refills.

The Leakproof Insulated Flask is engineered with a focus on durability and user convenience. Its robust construction features high-grade 18/8 stainless steel, ensuring it can withstand the rigors of daily use without denting or corroding. The heart of its performance lies in the double-wall vacuum insulation, which creates a thermal barrier to lock in temperature. This is complemented by a precision-engineered leakproof cap that features a secure silicone seal, guaranteeing no spills even when tossed in a bag. The exterior is finished with a scratch-resistant powder coating, available in a variety of modern colors to suit your personal style.

Key Specifications

Material: 18/8 Food-Grade Stainless Steel (Body & Lid)
Insulation: Double-Wall Vacuum
Capacity Options: 750ml, 1 Liter, 1.5 Liters
Leakproof Mechanism: Screw-top Lid with Integrated Silicone Gasket
Temperature Retention: Keeps liquids hot for up to 24 hours, cold for up to 36 hours*
Exterior Finish: Durable, BPA-Free Powder Coating
Compatibility: Most Car Cup Holders (750ml & 1L models)

Feature	Description	Benefit
Vacuum Insulation	Advanced double-wall construction with a vacuum seal.	Superior temperature retention for both hot and cold beverages.
Leakproof Cap	Threaded lid with a flexible silicone sealing ring.	Complete peace of mind; can be carried anywhere without risk of leakage.
Wide Mouth Opening	Large 48mm aperture for easy filling and cleaning.	Allows for adding ice cubes and simplifies the cleaning process.
Ergonomic Design	Contoured body with a non-slip grip.	Comfortable and secure to hold, even with wet or cold hands.
Dishwasher Safe	Top-rack dishwasher safe for effortless cleaning.	Saves time and effort on maintenance.

*Temperature retention times may vary based on initial liquid temperature, ambient conditions, and flask capacity.

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Kudike brand stainless steel glass cup , the stainless steel cup with glass insert with double wall insulated .
We are the factory of stainless steel water bottle ,and we are the leader in water bottle industry who have more than 12 years experience .
We hope we can cooperation with our mutual benefits in the days to come through our high quality and new development water bottles.
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Double wall vacuum insulated large capacity flask with silicone handle.
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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.

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Leakproof Insulated Flask

Key Specifications

Related Products

Hot Products

Stainless Steel Glass Cup

Large Capacity Flask

Vacuum Flask with Silicone Figurine

Titanium Isothermal Water Bottle

Cute Cartoon Bottle

Insulated Flask

What issues should be considered when buying a cycling water bottle?

What Makes Vacuum Flasks Essential for Daily Life and Specialized Uses?

How Can a 17oz Travel Tumbler Improve Your Daily Routine?

What is the Difference Between a Thermos and a Tumbler?

How did Kudike deliver 10,000 custom Boost Juice cups in only 20 days with strict Pantone color matching?

What is the Best Material for a Coffee Tumbler?

Edwina 2025-03-19 11:05:22

Phoenix 2025-08-08 11:42:20

A 2025-07-13 20:04:08

Nancy 2025-07-16 09:56:14

Natividad 2025-04-24 09:06:13

Camille 2025-07-23 18:57:59

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