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Thermos Flask Comparison - August 2025

Overview:
1
Best Choice
9.8Exceptional
2
Best Value
9.7Exceptional
3
9.5Excellent
4
9.2Excellent
5
9.1Excellent
6
9.0Excellent
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Model

THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Matte Stainless Steel
Model
THERMOS Stainless King Vacuum-Insulated Beverage Bottle, 40 Ounce, Matte Stainless Steel
Model
THERMOS Stainless King Vacuum-Insulated Compact Bottle, 16 Ounce, Matte Steel
Model
ThermoFlask 24 oz Double Wall Vacuum Insulated Stainless Steel 2-Pack of Water Bottles, White / Coral
Model
Milton Thermosteel Flip Lid 1000, Double Walled Vacuum Insulated Thermos 1000 ml | 34 oz | 1 Ltr | 24 Hours Hot and Cold Water Bottle with Cover, Stainless Steel, BPA Free,Leak Proof | Silver
Model
68oz Coffee Carafe Airpot Insulated Coffee Thermos Urn Stainless Steel Vacuum Thermal Pot Flask for Coffee, Hot Water, Tea, Hot Beverage - Keep 12 Hours Hot, 24 Hours Cold

Brand

THERMOS
Brand
THERMOS
Brand
THERMOS
Brand
Thermoflask
Brand
MILTON
Brand
GearRoot

Reviews

61,310 reviews
Reviews
38,500 reviews
Reviews
6,846 reviews
Reviews
1,436 reviews
Reviews
285,032 reviews
Reviews
4,610 reviews

Features

Watertight

9.9
Watertight
9.8
Watertight
9.8
Watertight
9.6
Watertight
8.6
Watertight
9.3

Simple to clean

9.8
Simple to clean
9.6
Simple to clean
9.6
Simple to clean
9.6
Simple to clean
9.3
Simple to clean
9.1

Lasts a long time

9.8
Lasts a long time
9.6
Lasts a long time
9.6
Lasts a long time
9.6
Lasts a long time
9.1
Lasts a long time
8.9

Easy to grip

9.8
Easy to grip
9.6
Easy to grip
9.6
Easy to grip
9.3
Easy to grip
9.4
Easy to grip
8.9

Materials quality

9.8
Materials quality
9.8
Materials quality
9.9
Materials quality
9.6
Materials quality
9.3
Materials quality
8.9

Easy to consume

9.8
Easy to consume
9.6
Easy to consume
9.8
Easy to consume
9.9
Easy to consume
9.3
Easy to consume
8.9

Tech Specs

color

Matte Steel
color
Matte Steel
color
Stainless
color
White/Coral
color
Silver - 34 oz
color
Silver

special feature

Dishwasher Safe
special feature
Sweatproof, Twist and Pour, Dishwasher Safe, Vacuum Insulated
special feature
portable
special feature
Double Wall
special feature
Cold 24 Hours, Leakproof, Hot 24 Hours, Dishwasher Safe, Double Wall
special feature
Airtight, Heat Resistant, Leakproof

included components

Food Jar
included components
Beverage Bottle
included components
Compact Bottle
included components
2 Bottles, 2 Lids
included components
FLASK
included components
Carafe

capacity

16 ounces
capacity
2.5 Pounds
capacity
16 Fluid Ounces
capacity
24 Fluid Ounces
capacity
1 Liters
capacity
4.3 Pounds

customer reviews

4.7 4.7 out of 5 stars 30, 655 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 19, 250 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 3, 423 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 718 ratings 4.7 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 142, 516 ratings 4.3 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 2, 305 ratings 4.2 out of 5 stars

product dimensions

3.7W x 5.5H
product dimensions
4.3W x 12.3H
product dimensions
3W x 9.7H
product dimensions
8.5W x 11H
product dimensions
13.1W x 3.85H
product dimensions
5W x 11.5H

item weight

4.8 ounces
item weight
1 pounds
item weight
4.8 ounces
item weight
1.2 pounds
item weight
1.17 pounds
item weight
1.65 pounds

material

Stainless Steel
material
Stainless Steel
material
Stainless Steel
material
Stainless Steel
material
Stainless Steel
material
Stainless Steel

with lid

Yes
with lid
Yes
with lid
Yes
with lid
Yes
with lid
Yes
with lid
Yes

number of items

1
number of items
1
number of items
1
number of items
2
number of items
1
number of items
-

product care instructions

1
product care instructions
Hand Wash Only
product care instructions
Hand Wash Only
product care instructions
Dishwasher Safe
product care instructions
Dishwasher Safe
product care instructions
-

cap type

Screw Cap
cap type
Screw Cap
cap type
Screw Cap
cap type
Straw Cap
cap type
Screw Cap
cap type
-

age range description

Adult
age range description
Adult
age range description
Adult
age range description
Adult
age range description
Adult
age range description
-

recommended uses for product

Soup, Tea, Coffee
recommended uses for product
Tea, Coffee
recommended uses for product
-
recommended uses for product
Water, Tea, Coffee
recommended uses for product
Water, Tea, Outdoor, Coffee, Indoor, Camping
recommended uses for product
-

pattern

Solid
pattern
Solid
pattern
Solid
pattern
THERMOS
pattern
-
pattern
-

is dishwasher safe

No
is dishwasher safe
Yes
is dishwasher safe
-
is dishwasher safe
Yes
is dishwasher safe
Yes
is dishwasher safe
-

theme

Food
theme
Food
theme
Love
theme
-
theme
Holiday
theme
-

base diameter

14 Inches
base diameter
4.3 Inches
base diameter
3 Inches
base diameter
-
base diameter
8.6 Centimeters
base diameter
-

is microwaveable

No
is microwaveable
No
is microwaveable
-
is microwaveable
No
is microwaveable
No
is microwaveable
-

department

Unisex-Adult
department
unisex-adult
department
Unisex-Adult
department
-
department
-
department
-

integrated cup

No
integrated cup
Yes
integrated cup
Yes
integrated cup
-
integrated cup
-
integrated cup
-

is oven safe

No
is oven safe
-
is oven safe
-
is oven safe
No
is oven safe
No
is oven safe
-

Review

Review Review
-
Review
-
Review Review

Available On

Available On Available On Available On Available On Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    THERMOS
    20% Off

    THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Matte Stainless Steel

    9.9 Watertight
    9.8 Simple to clean
    9.8 lasts a long time

    Why we love it

    Keeps food hot or cold for hours.
    Durable stainless steel construction.
    Includes convenient folding spoon.
  • 9.7
    2
    THERMOS

    THERMOS Stainless King Vacuum-Insulated Beverage Bottle, 40 Ounce, Matte Stainless Steel

    9.8 Watertight
    9.8 materials Quality
    9.6 Simple to clean

    Why we love it

    Excellent temperature retention for 24 hours.
    Durable stainless steel construction.
    Convenient twist-and-pour stopper.
  • 9.5
    3
    THERMOS

    THERMOS Stainless King Vacuum-Insulated Compact Bottle, 16 Ounce, Matte Steel

    9.9 materials Quality
    9.8 Watertight
    9.8 easy to consume

    Why we love it

    Keeps drinks hot or cold for hours.
    Durable stainless steel construction.
    Leak-proof design with easy pouring.

Our ranking system

At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
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