24h Insulated Flask

When it comes to reliable temperature retention for your beverages, an Insulated Flask is the ultimate choice for everyday adventures. Our high-performance models, like the convenient 750ml Insulated Flask perfect for personal use, or the larger capacity 1.5L Insulated Flask ideal for sharing, are engineered to meet diverse needs. Crafted with premium Stainless Insulated Flask materials, these flasks offer superior durability and are designed to keep your drinks hot or cold for extended periods.


The 24h Insulated Flask is meticulously constructed with double-wall vacuum insulation technology. This advanced system creates an airless space between the inner and outer walls, drastically reducing heat transfer through conduction or convection. The result is exceptional thermal performance, ensuring your coffee stays piping hot for your morning commute or your iced water remains refreshingly cool during a summer hike. The outer body is made from rugged, food-grade 18/8 stainless steel, which is highly resistant to corrosion, rust, and odors. A durable, BPA-free plastic cap with a secure screw-on lid and a leak-proof silicone seal guarantees that your flask can be tossed into a bag without any worries of spills. The sleek, streamlined design is not only aesthetically pleasing but also ergonomically shaped for a comfortable grip.

  • Capacity: Available in 750ml and 1.5L sizes.
  • Material: 18/8 Food-Grade Stainless Steel (Inner & Outer Wall).
  • Insulation: Double-Wall Vacuum Insulation.
  • Temperature Retention: Keeps liquids hot for up to 24 hours and cold for up to 36 hours.
  • Lid Material: BPA-Free Plastic with Silicone Seal.
  • Dimensions (750ml): Height: 9.5 inches, Diameter: 3 inches.
  • Dimensions (1.5L): Height: 11.5 inches, Diameter: 3.5 inches.
  • Weight (Empty, 750ml): 450 grams.
  • Weight (Empty, 1.5L): 650 grams.
Feature 750ml Insulated Flask 1.5L Insulated Flask
Best For Individual Use, Commuting, Day Trips Sharing, Sports, Picnics, Long Outings
Hot Retention (≥65°C) 24 Hours 24 Hours
Cold Retention (≤10°C) 36 Hours 36 Hours
Warranty 5-Year Limited Warranty

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