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Foam mattress - Optimal choice for sleep

What is a foam mattress?

Before learning what a foam mattress is, let's learn about foam. Foam is a man-made material consisting of millions of densely connected air bubbles with very good support. Thanks to its easy customization, foam is currently one of the most favored materials in the sleep industry besides traditional materials such as natural rubber, pressed cotton,...

Foam mattresses will have high flexibility, elasticity and good body support. Foam mattresses are much lighter in weight than latex and spring mattresses. Moreover, this is also known as a highly durable mattress with a service life of about 10-15 years.

Learn more: What is Foam
What is a foam mattress?

Why does a foam mattress have a multi-layer foam structure?

A good mattress must fully and harmoniously meet the following factors: support, comfort, and ventilation. Therefore, a perfect mattress structure will help support the body according to the natural curve, helping to sleep comfortably and comfortably. Therefore, it is necessary to combine many foam materials in the mattress to optimize the advantages and limit the disadvantages of each type.

Each design and research on mattress will introduce different criteria and prerequisites for support, firmness, softness, The level of ventilation required for the foam in the mattress. From there, each "worker" who makes the foam in the mattress can create the most optimal product.

How is Ru9 memory foam mattress manufactured?

Not only researching to find a comprehensive multi-layer foam structure, Ru9 also tries to pay attention to the smallest details to create a great user experience: meticulous seams, smooth fabric surface cool, neatly designed mattress box, easy to transport.


Support according to the natural curvature of the spine

Foam mattresses usually have a multi-layer structure, plus the flexibility of foam, so this mattress is easily compatible and supports the body, creating a feeling Comfortable feeling for all different lying styles.

Relieve pressure

When lying down, the memory foam mattress does not create an opposite reaction on the body but dissipates the force to the sides, so your body will be completely relaxed.


Foam material has an open structure, so it has high breathability, does not generates heat when used, ensures a cool and comfortable feeling when lying down throughout 4 seasons

Light weight, high flexibility

Thanks to the structure of air particles with an open structure, foam mattresses are usually lighter in weight than mattresses made of other materials of the same size. Furthermore, this structure is very flexible, allowing the product to be neatly rolled when packing.

Safe for health

Reputable foam mattresses will be rigorously tested. You should learn and choose a mattress with CertiPUR-US safety certification - a strict international certification of foam from the United States, ensuring safety for users' health as well as durability and user-friendliness.



Foam mattresses have a fairly long lifespan, about 7-10 years, but they are not as durable as natural latex mattresses with a lifespan of 10-12 years. In fact, experts recommend that you only use a mattress for 8-10 years because the longer you use it, the more dust and irritants stick on the mattress for a long time, easily affecting your health.

May have an odor when first used

This is the natural smell of foam but can be uncomfortable for some people. However, the smell disappears shortly after starting to use.

Revealing common myths

Sleeping on a very hot foam mattress!

The truth is, mattresses made from high performance foam increase airflow by 95% when compared to traditional mattresses. Like Ru9 memory foam mattresses, in addition to high-performance foam also covered with a breathable cover, which means sleeping on a foam mattress does not get hot. compared to other mattress materials.

High cost

It is true that there are some products have a very high prices, especially imported memory foam mattresses and are subject to various taxes before reaching consumers. Moreover, if you buy a mattress from an agent, the process of bringing the mattress from the manufacturer to the consumer will have to go through a lot of intermediary agents, causing the growth of costs. However, memory foam mattresses are not always expensive. Compared to the market, Ru9 mattresses are delivered directly from the factory to your home without going through any middlemen. Therefore, the product price that you pay is completely the real value that you receive.

Easy to collapse, subside when using

The truth is, this only happens if the foam in the mattress you are using is of poor quality, uncertain origin. In addition, mattresses with foam material that are too thin are also easy to subside after a period of use.

You should consider mattress products with foam of clear origin, reputable brands. You can also consider using multi-layer foam mattresses with a thickness of 15cm or more, such as the Ru9 Original memory foam mattress and the Nest by Ru9 mattress. With reasonable thickness and multi-layer design, these mattresses help to support the body optimally and are suitable for all subjects from children to the elderly without any subsidence.


The new, unused foam itself will smell, just like when you buy a new book. This smell is usually not too unpleasant and will disappear after a period of use. If you feel an unpleasant odor such as a chemical smell, it is highly likely that the foam used for the mattress product you are lying on is industrially manufactured with unsafe materials and processes.

To limit unpleasant odors and ensure mattress quality, when purchasing a mattress or foam pillow, make sure that the product is certified CertiPUR-US from the US with the following criteria:

- The production process of sleeping pillows and mattresses that do not harm the ozone layer

- Products do not use harmful flame retardants (PBDEs, TDCPP, TCEP)

- The product does not contain mercury, lead and heavy metals. - Products do not contain formaldehyde (substance harmful to health and the environment)

- Phthalates free foam is regulated by the US Consumer Product Safety Commission

- Mattress manufacturing process has low VOC emissions (less than 0.5 parts per million)

    Soft or hard mattress

    The truth is, soft or hard is inherently different from person to person. The right mattress is one that provides comfort, a smooth feeling when you lie down and can support your spine in the most complete way. If you are confused about choosing a suitable foam mattress, look for brands that allow you to try it on at home before you buy a mattress, such as memory foam mattress Ru9 with a 100-night trial policy for you to experience. Experience at home without any risk. Within 100 days, you can return the mattress and get 100% money back at no cost.

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    Foam mattress cleaning tips

    After a period of use, the mattress is very prone to dust. You can easily clean it at home through the following steps:

    - Step 1: Use a vacuum cleaner to gently remove dirt on the mattress after use.

    - Step 2: Remove the mattress cover and wash it.

    - Step 3: Mix some baking soda with vinegar to make a paste. Apply the mixture to the stubborn stains on the mattress and wait for a few minutes. After that, use a towel to wipe the above mixture, the stains will disappear quickly.

    - Step 4: Sprinkle baking soda evenly on the surface of the mattress and wait for 30 to 60 minutes. The powder will absorb the unpleasant odors on the mattress.

    - Step 5: Use a vacuum cleaner to remove the baking soda sprinkled on the mattress. This also helps to completely remove any remaining dirt, bacteria and mold from the mattress.

    - Step 6: Repeat the above steps, if stains and odors remain on the mattress. You should choose sunny days so that the mattress cover dries faster. Besides, sunlight also helps kill bacteria effectively.

    What do you need to consider when choosing a foam mattress?

    Suitable for sleeping position

    If your body is not well supported when you sleep, you will wake up tired and sore. Foam mattresses are a great solution to this problem, but you also need to consider your sleeping position to choose the right product.
    If you like to sleep on your back or stomach, choose a foam mattress with moderate firmness to support your spine. If you are a person who likes to sleep on your side, a soft memory foam mattress that follows your body will be the ideal choice.

    Choose a mattress with the right type of foam

    A good mattress needs to ensure 4 core elements: support, comfort, ventilation and durability. So a multi-layer foam mattress, each layer designed to solve a problem would be the choice of idea. A suggestion for you is memory foam mattress Ru9 with modern foam material. The mattress's multi-layered design is the result of comprehensive scientific research on Vietnamese people's sleep, needs and sleep habits, creating comfortable support for Vietnamese people's weight and body shape.

    Size mattress

    Although considered a special type of mattress, foam mattresses are manufactured in all standard sizes, making it easy to choose the right size for your needs: from a single space-saving mattress size to a full-size mattress. Luxury King mattress. If you're wondering which mattress size is right for you, check out the mattress size guide just for you from Ru9!


    The price of a foam mattress is also varied with many different product lines, depending on the thickness, size, foam material... Buying a mattress means choosing to buy a good night's sleep for yourself. So consider this as a long-term investment and don't hesitate to choose the right quality mattress for your needs. You can refer to the Ru9 mattress with the policy 100 nights trial so that you can feel more secure with your decision.

    Which Ru9 foam mattress is right for you?

    Original Mattress
    Original Mattress

    25cm high with exclusive 3-layer foam design, perfect support for sleep. The memory foam layer effectively relieves pressure for the body to relax completely.

    From 8.490.000VND
    Installment 749.000VND/Month
    Buy Now
    Nest Mattress
    Nest Mattress

    The slim 15cm design provides the essential support and comfort you need to start your journey to a good night's sleep.

    From 5.790.000VND
    Installment 509.000VND/Month
    Buy Now


    Design 3 layers of foam for optimal support for the body and spine.
    There are Memory foam effective pressure relief, smoothness and softness.
    Structure 2-layer foam screating essential comfort for sleep
    There is no Memory Foam layer, so the feeling will be firmer than the Original mattress


    Height 25cm
    6 sizes:
    Single | Full | Queen | King | Square King | Super King
    Height 15cm
    6 sizes:
    Single | Full | Queen | King | Square King | Super King


    CertiPUR-US® is absolutely safe for user health and environmental protection. Learn more here

    Ru9 is committed to quality for every choice

    Every foam mattress from Ru9 is made from the highest quality materials.
    Sleep better with superior service experience.


    100 nights of risk-free sleep

    If you are not satisfied, we will take back the mattress and refund 100%.

    Free Shipping

    You don't have to worry about stuffing your mattress back in the bin.

    Safe for health

    Mattresses from Ru9 achieved international certification of safety for users' health

    Designed in Vietnam

    Ru9 is proud that all of our mattresses are designed in Vietnam

    Optimal customer service

    Ready to help and answer all your questions, 7 days a week.

    Safe for Earth

    Does not contain harmful chemicals that affect the environment


    Natural latex mattresses have elasticity, good support, long durability but are expensive, quite heavy, difficult to clean and move. The mattress has a high-performance foam multi-layer structure that optimally supports the body curve, protects the spine, and is easy to transport thanks to its light weight.
    Natural latex mattresses have elasticity, good support, long durability but are expensive, quite heavy, difficult to clean and move. The mattress has a high-performance foam multi-layer structure that optimally supports the body curve, protects the spine, and is easy to transport with a light weight.
    What is the difference between a young latex mattress and a memory foam mattress?
    Many people when hearing about young latex mattresses often mistake this as a mattress made from young natural latex. However, a young latex mattress is actually a mattress made of foam material (also known as memory foam). For Vietnamese people, foam material is still quite strange and new. Therefore, manufacturers in our country choose to call memory foam mattresses "young latex mattresses" so that the product becomes closer in the eyes of consumers.
    How to know if you are suitable for a foam mattress?
    Ru9 memory foam mattress has a 100-night trial policy that allows you to experience and decide if the foam mattress product is right for you. Within the first 100 nights, you are entitled to a refund of the mattress if you are not satisfied for any reason. Ru9 will get the mattress back to your home and refund you 100% completely free of charge.

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