Description
Product Overview
The Milton Stainless Steel Flask 350 is a high-performance insulated water bottle crafted from durable stainless steel with double-wall vacuum insulation and an inner copper coating. This design ensures exceptional temperature retention, keeping hot drinks warm and cold beverages chilled for up to 24 hours. With a capacity of 350 milliliters, dimensions of 2 inches wide by 9 inches high, and a weight of 134 grams, it is both portable and robust. The bottle features a screw cap with a convenient flip lid for one-handed operation, and it is leakproof to prevent spills. Additional attributes include a silver color, dishwasher-safe construction (though hand washing is recommended for longevity), and a protective jacket that may vary in color or design. Ideal for water, tea, coffee, and outdoor activities, this flask combines practicality with Milton’s trusted quality.

Usage
This flask is versatile for a wide range of environments and occasions, including outdoor adventures like camping and hiking, daily commutes, office use, and indoor settings at home or gym. It is recommended for adults seeking a reliable hydration solution for hot or cold beverages such as water, tea, or coffee. To optimize performance, precondition the flask with hot or cold water and fill it to maximum capacity, avoiding partial fills. The leakproof design and easy-to-use flip lid make it suitable for active lifestyles, while its insulation properties ensure drinks stay at the desired temperature throughout the day.
Why Choose Us
Milton stands out for its commitment to quality and innovation, with the Flask 350 offering superior temperature retention thanks to double-wall vacuum insulation and an inner copper coating. The product is backed by high customer ratings and bestseller rankings, reflecting its reliability and user satisfaction. Unlike generic bottles, it features a robust build that maintains interior capacity without compromise, ensuring consistent performance. The inclusion of a protective jacket, though varying in design, provides added insulation and durability, making it a trusted choice for everyday and adventurous use.
Key Features
- 24-hour temperature retention with double-wall vacuum insulation and inner copper coating
- Leakproof design with a flip lid for easy one-handed opening and closing
- Made from high-quality stainless steel, ensuring durability and longevity
- Dishwasher-safe construction for effortless cleaning, though hand washing is recommended
- Versatile for multiple uses including water, tea, coffee, outdoor, and indoor activities
FAQ
How long does the Milton Flask 350 keep drinks hot or cold?
The flask maintains temperatures for up to 24 hours due to its double-wall vacuum insulation and inner copper coating, making it ideal for all-day use.
Is the bottle dishwasher safe?
Yes, it is dishwasher safe, but hand washing is recommended to preserve the insulation and finish for long-term durability.
Does it come with a protective jacket?
Yes, a protective jacket is included, though colors or designs may vary due to inventory mixes, all providing the same insulation and protection.
What is the capacity of the flask?
The flask holds 350 milliliters, with dimensions designed for portability and efficient storage in bags or cup holders.
Is the flip lid leakproof?
Absolutely, the flip lid is engineered to be leakproof, preventing spills and ensuring secure transport during activities.





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