Description
Product Overview
The Milton FLASK 350 is a premium stainless steel insulated bottle designed for everyday use and outdoor adventures. Crafted from high-quality stainless steel with double-wall vacuum insulation and an inner copper coating, it maintains beverage temperatures—hot or cold—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 flip lid provides leakproof security and one-handed convenience, while the screw cap ensures a tight seal. Additional features include dishwasher safety (though hand washing is recommended for longevity), and it is not microwaveable or oven safe. Available in silver and various sizes (e.g., 12 oz, 16 oz, 25 oz, 34 oz, and sets), this bottle suits a range of hydration needs.

Usage
This bottle is ideal for adults seeking reliable hydration in diverse environments, including outdoor activities like camping, hiking, and picnics, as well as indoor settings such as offices, homes, and gyms. It is recommended for carrying water, tea, coffee, or other beverages, ensuring optimal performance when filled to maximum capacity and pre-conditioned with hot or cold water. The leakproof design makes it suitable for travel, while its sturdy construction withstands daily wear and tear, appealing to commuters, athletes, and adventurers alike.
Why Choose Us
Milton stands out for its commitment to quality and innovation, featuring double-wall vacuum insulation that outperforms many competitors in temperature retention. The inner copper coating enhances thermal efficiency, while the leakproof flip lid offers unmatched convenience and reliability. Backed by positive customer reviews and a high best-seller rank in insulated bottles, this product combines durability with user-focused design, ensuring long-term satisfaction and value.
Key Features
- 24-hour temperature retention for hot and cold beverages with double-wall vacuum insulation and inner copper coating
- Leakproof flip lid for easy, one-handed opening and secure closure
- Dishwasher-safe construction (hand wash recommended for extended use)
- Made from durable stainless steel, resistant to rust and wear
- Lightweight and portable, ideal for outdoor, travel, and daily activities
FAQ
How long does the Milton FLASK 350 keep drinks hot or cold?
The bottle maintains temperatures for up to 24 hours due to its double-wall vacuum insulation and inner copper coating, ensuring your beverages stay at the desired temperature throughout the day.
Is the bottle dishwasher safe?
Yes, it is dishwasher safe, but hand washing is recommended to preserve the insulation and finish for long-term use.
Can I use it for both hot and cold drinks?
Absolutely, it is designed to handle hot liquids like coffee and tea as well as cold beverages such as water and iced drinks, with equal efficiency in temperature retention.
Is the lid leakproof?
Yes, the flip lid features a leakproof design that prevents spills, making it safe for carrying in bags or during movement.
What sizes are available?
It comes in multiple sizes including 12 oz, 16 oz, 25 oz, and 34 oz, as well as sets like the 17 oz set of two, allowing you to choose based on your hydration needs.




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