Top 8 Durable and Stylish Lock&Lock Thermal Flasks Trusted by Many People

Lock&Lock is a reputable brand in South Korea specializing in kitchenware, household items, and products for children, supplied in over 120 countries. Established in 1985, the brand confidently brings customers the best quality products. With extremely fashionable designs, premium materials, and eco-friendly features, Lock&Lock is highly regarded by consumers worldwide.

For their thermos bottles, Lock&Lock thermos bottles are loved by many Vietnamese people for their quality, safety, beautiful designs, and a wide range of options from affordable to high-end for you to choose from.

4. Lock&Lock Fruit Tumbler LHC4109 (340ml)

Lock&Lock Fruit Tumbler LHC4109 (340ml) is an ideal choice for storing water, suitable for outdoor activities, travel, and is loved and trusted by many people.

Lock&Lock Fruit Tumbler LHC4109 (340ml)

Advantages:

• Made of non-corrosive 304 stainless steel, ensuring safety for users
• Wide bottle mouth, can accommodate ice cubes for those who like cold drinks
• The bottle cap is made of PP plastic, easy to open and close flexibly, sealing the air and ensuring that heat is not lost
• Equipped with a mesh strainer with a silicone ring, can brew tea directly in the bottle
• Keeps temperature for hours
• Has a rubber base to prevent slipping

Disadvantages:

• The capacity is only 340ml, suitable for students
• The bottle has bright colors, those who prefer softer colors should choose another model

Instructions for use:

• After pouring water into the bottle, close the lid carefully to avoid spills
• Occasionally pour a little soda with warm water and gently shake the bottle in an unlocked state, then rinse with warm water to clean
• The bottle body does not rust, but small red spots may appear due to water. In this case, soak a cloth in warm water mixed with vinegar for 30 minutes, then wipe it clean
• Drops of water may appear on the plastic button of the bottle due to the temperature difference between the external and internal environments, but this is not a defect.

Precautions when using the product:

• Do not use for purposes other than keeping cold and hot
• Avoid strong impacts
• Do not use in microwave ovens or dishwashers
• Keep out of reach of children as it may cause burns
• When pouring hot water into the bottle, if the heat is transmitted outside the bottle, it may be necessary to replace the bottle at the place of purchase
• Sterilizing with hot water can cause deformation of the bottle.

6. Lock&Lock Vacuum Bottle (800ml)

The Lock&Lock Vacuum Bottle is loved by many for its large capacity of up to 800ml. It is an ideal choice for carrying water, suitable for outdoor activities and travel.

The design and color of the bottle are very elegant, beautiful, and personal with a dark blue color. The bottle lid is equipped with a silicone ring, easy to open and close flexibly, ensuring the flavor of the drink. The bottle also has a strong strap and a silicone base to prevent slipping.

7. Lock&Lock Vienna LHC1430SV (500ml)

Lock&Lock Vienna LHC1430SV (500ml)

Lock&Lock Vienna LHC1430SV (500ml) is a choice for those who like a gentle and elegant style.

Outstanding features:

• Convenient design, elegant and sophisticated appearance
• Reasonable capacity
• Keeps cold for several hours
• The cap is easy to clean and use

Disadvantages:

• No tea strainer support, so you cannot brew tea directly in the bottle
• The hot temperature is only about 60°C.

8. Lock&Lock Feather Light Soft Handle LHC1417

Lock&Lock Feather Light Soft Handle LHC1417 belongs to Lock&Lock brand from South Korea, manufactured in China, model LHC1417 weighs 1kg and has many outstanding advantages.

Lock&Lock Feather Light Soft Handle LHC1417

• Lock&Lock Feather Light Soft Handle LHC1417 is an elegant thermos bottle with a large bottle opening, excellent heat retention, and allows you to put ice cubes directly inside. It is a “lifesaver” for athletes and those who like cold drinks.
• The cap can be used as a small and convenient cup. The product also has a foldable spoon, saving space reasonably.
• The bottle helps retain the original taste and nutrients of food, bringing health benefits and peace of mind to individuals and families.
• This convenient product can also be used as a gift for family and friends on special occasions. The product’s quality has been tested, ensuring safety requirements. Suitable for office workers, travel, freelancers, students, etc.

The inside is made of stainless steel, with good heat retention

Advantages of the product:

• Solid design with a convenient handle, suitable for travelers
• Wide bottle mouth, can add ice for those who prefer cold drinks
• Beautiful colors, not too flashy
• Comes with a foldable spoon
• 500ml capacity is normal, not too small

Disadvantages:

• Due to its size and additional handle, the bottle may be a bit heavy to carry around.

Are thermos bottles good? What are the benefits of a thermos bottle?

A thermos bottle is a compact tool that is widely used in daily life with the main purpose of maintaining the temperature of hot or cold water as it was initially.

The working mechanism of a thermos bottle can be understood as follows: when hot or cold water is stored in the thermos bottle, based on the temperature difference between the environment inside the bottle and the outside environment, heat transfer will occur. Heat transfer will only stop when the water temperature inside the bottle reaches a balance with the outside environment.

Therefore, a thermos bottle helps to maintain the correct temperature of water. Depending on individual needs, we can decide whether it is worth buying or not. And when deciding to buy, we also need to know how a thermos bottle is constructed.

Structure of a thermos bottle

Bottle body: usually designed in a cylindrical shape, with a 3-layer structure. The outer layer is made of plastic or stainless steel, the middle layer is a vacuum insulation layer, and the innermost layer can be made of stainless steel 201 or 304.

The vacuum insulation layer is designed to ensure the temperature safety by reducing the temperature difference between the inside and outside environment of the bottle.

Using stainless steel 201 and 304 materials helps to increase the heat retention capacity of the bottle, and ensures food hygiene and safety for users.

Lid: the bottle lid is designed to be tightly closed, enhancing the heat retention capacity. The bottle lid is composed of 2 layers: the inner layer is made of plastic and is accompanied by a rubber or silicone pad to seal the mouth of the bottle, thus retaining the air inside the bottle and preserving the temperature of the liquid.

Structure of the body and lid of a thermos bottle

Should you buy a thermos bottle?

To answer this question, let’s find out what are the advantages and disadvantages of a thermos bottle:

Advantages:

• High heat retention capacity thanks to the 3-layer structure of the bottle and the lid, which maximizes the heat retention of food for up to 24 hours.
• Not only retains the heat of hot or cold water, but also keeps cow’s milk and some liquid foods such as porridge and soup.
• Made of stainless steel 304 material, ensuring durability and high health safety for users.
• Compact, convenient, and easy to carry.

Disadvantages:

• Due to the compact design, the capacity of a thermos bottle is limited. The maximum capacity is 1 liter or 1.5 liters.

Criteria for choosing a thermos bottle

Price: Currently, there are many types of thermos bottles on the market with different designs and sizes, along with a wide range of prices depending on the size and brand. There are thermos bottles with large capacities or beautiful designs that can cost millions of VND.

However, you only need to choose a thermos bottle with a capacity of about 500ml to 1 liter at a few hundred thousand VND. This is an affordable price range, allowing you to own an attractive and decent thermos bottle.

Types of thermos bottles:

• Mini thermos bottles: compact capacity of less than 300ml, cute design suitable for students
• Hot and cold thermos bottles: This is a common type with various designs and is used primarily to store drinks such as water, milk, coffee, or tea. Compared to mini thermos bottles, hot and cold thermos bottles have a slightly higher price.
• Food storage thermos bottles: This type of thermos bottle is used primarily for storing food such as porridge or soup. They are generally designed to be low, have a wide mouth, and often come with a spoon for food.
• Vacuum flask: Large capacity and designed similarly to a regular water pitcher, but it has better heat retention ability, especially for hot water, compared to a regular water pitcher.
• Material: Thermos bottles are usually made from stainless steel 201 or 304. All stainless steel materials are good, but we would recommend choosing the 304 stainless steel type because it is commonly used in the production of thermos bottles or food containers. This material is resistant to rust, highly durable, and absolutely safe for users.

Capacity and weight:

Since capacity and weight are often proportional, you need to carefully consider your usage needs before purchasing.

• If your usage needs are simple and you only need a moderate-sized bottle to store drinking water, you can consider choosing small thermos bottles with a capacity of about 300ml.
• If you are a regular athlete and need to store more drinks, you can choose thermos bottles with a capacity of over 500ml.
• If you often travel and need to store more drinks, you should choose thermos bottles with a capacity of 750ml to 1 liter.

Heat retention time: Maximum of 24 hours, but for some high-end products, it can last up to 48 hours.

Diverse designs and reasonable prices

Lock&Lock knows how to hit the mark with customers who love high quality and attractive designs. Therefore, the company has released many types of thermos bottles with various designs and styles for you to choose from, whether it’s elegant, strong, feminine, cute, etc., suitable for different user groups such as students, office workers, the elderly, sports enthusiasts, etc.

Based on my own experience, the Lock&Lock thermos bottle I’m currently using meets all the above criteria for a thermos bottle.

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