BPA Free Stainless Steel Vacuum Insulated Flask

Discover the ultimate hydration companion with our 18 OZ Stainless Steel Vacuum Insulated Flask, designed to keep your beverages at the perfect temperature for hours. Experience worry-free carrying with its Leakproof Stainless Steel Vacuum Insulated Flask construction, making it ideal for daily commutes and busy schedules. Whether you're heading on a long journey or a quick getaway, our Travel Stainless Steel Vacuum Insulated Flask offers lightweight durability and ergonomic design. For outdoor enthusiasts, the Outdoor Stainless Steel Vacuum Insulated Flask withstands rugged conditions while maintaining insulation performance. Crafted from high-quality BPA-free stainless steel, this flask ensures purity and safety in every sip.


The BPA Free Stainless Steel Vacuum Insulated Flask combines advanced technology with user-centric features to meet modern demands. Below are the detailed specifications presented in both list and table formats for clarity.

  • Material: 18/8 Food-Grade Stainless Steel (BPA-Free)
  • Capacity: 18 oz (532 ml)
  • Insulation Type: Double-Wall Vacuum Insulation
  • Temperature Retention: Keeps hot drinks warm for up to 12 hours and cold beverages chilled for up to 24 hours
  • Lid Design: Screw-top with Leakproof Seal
  • Exterior Finish: Powder-coated, sweat-proof surface
  • Dimensions: 8.5 inches in height, 2.8 inches in diameter
  • Weight: 12 ounces (340 grams)
  • Care Instructions: Hand wash recommended; dishwasher safe (lid separately)
Feature Description
Construction Made from durable 18/8 stainless steel, ensuring no chemical leaching and BPA-free safety.
Vacuum Insulation Double-wall technology with a vacuum layer to minimize heat transfer, maintaining temperature consistency.
Leakproof Mechanism Secure screw lid with silicone gasket for spill-proof performance during travel or outdoor activities.
Portability Lightweight design with a carry handle for easy transport in bags or by hand.
Versatility Suitable for a wide range of beverages including coffee, tea, water, and smoothies.
Warranty Backed by a 5-year limited warranty against manufacturing defects.

Hot Products

  • Leak Proof Travel Mug

    Leak Proof Travel Mug

    After drinking coffee seriously for decades, Kudike can finally share with everyone the Leak Proof Travel Mug we have developed. From raw materials to finished water bottles, every step of Kudike's process is meticulously calculated and rigorously processed to achieve higher levels of product quality and increase customer recognition of us. These cups will be gifts for coffee or travel enthusiasts around you.
  • Stainless Steel Milk Bottle with Straw

    Stainless Steel Milk Bottle with Straw

    This stainless steel milk bottle with straw is also equipped with a hanging rope. It is a thermos bottle customized by Kudike based on observing children's preferences for a long time. The thermos bottle has a 3D pattern on it, which is visually stunning. Of course, you can customize it according to your child's preferences with us, and we have a super strong design team to serve you!
  • Tumbler Cups

    Tumbler Cups

    Kudike is the factory of stainless steel tumbler cups, this one design is the new lid which opened by ourself. Last year ,we production more than 4 million pcs of old lid.
    We ensure that we will recreate brilliance once again with the LV.2 lid and the same high quality.
    Welcome to inquiry us.
  • Insulated Bottle

    Insulated Bottle

    Kudike is a brand of stainless steel insulated bottle. Insulated bottle is double wall, 550ml, food grade and eco-friendly bottle.
    Quality is the basis of our decision to cooperate, and we look forward to working with you with the same philosophy.
  • Ice Retention Tumbler with Straw

    Ice Retention Tumbler with Straw

    Abandoning the monotony of cheap water bottles, come to Kudike and redefine the quality of daily drinking water. The Ice Retention Tumbler with Straw we produce is a 450ml stainless steel portable cold drink cup, with a 304 inner liner and 201 outer bimetallic structure. The cup mouth and bottom have double-layer electroplated gold edges, and the cup body is coated with ice flower paint in two styles: fish scale texture and flat solid color. It has passed food contact safety testing and is suitable for multiple scenarios such as car and office use. Our company has its own complete production line for spray coating and electroplating, which can undertake orders for white label, logo carving, and gift box customization. We have sufficient stock in stock and stable delivery times for large orders, suitable for cross-border e-commerce, supermarkets, and corporate gift channels.
  • 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.

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