Is a Waterproof Mattress Protector Safe for Babies?

Most of the time, your baby spends their time sleeping, right? Now you may want to use a comfortable and soft mattress to give them a comfortable sleep. So at first, you may close your eyes to their bed.

A few incidents can or will occur at night, especially when our babies are still young. And it may cause a mattress to hold damp and even quickly turn into an unhealthy environment.

So if their bed is protected with a waterproof mattress protector, it may give some extra benefits while your baby is sleeping.

However, waterproof mattress protectors are a fantastic creation, especially for parents with babies or young children. These waterproof covers act as an extra layer of safety and comfort to your baby’s bed linen.

Anyway, a waterproof mattress protector can keep your baby’s mattress protector unsoiled and also save your baby from rashes, eczema, allergies, and illness.

But it has some evil effects too. It can cause your babies to sweat. Even if the protector makes with some plastic, most of them may be quite toxic.

Now from our article, you may know much more information about your baby’s bed waterproof mattress protector.

What is a waterproof mattress protector?

A waterproof bed protector is a protector that safeguards mattresses from any kind of liquid like water.

However, the waterproof mattress contains vinyl, plastic, cotton, or polyester. It forms a protective fence between the mattress protectors and the environment.

This protecting layer is the reason why the mattress protectors or pads are waterproof, and they protect the cot from any unplanned leaks and wear and tear.

Is a waterproof mattress protector safe for babies
Is a waterproof mattress protector safe for babies

Do you need a waterproof mattress protector for babies?

Yes. You need a waterproof mattress protector for your baby’s safety. If you are concerned about your baby while sleeping and an accident may occur, you may use a waterproof bed mattress protector.

  • It can protect your baby from rashes, allergies, dust mites, etc
  • Keep your child’s mattress clean and dry
  • It prevents bacteria from the waterproof mattress.
  • By preventing bacteria, it may reduce the risk of SIDS.
  • Using an organic waterproof mattress or one made with cotton may give your baby comfort.
  • It is easily washable and removable.
  • Never let the waterproof mattress protectors be wet as it is water-resistant.

Which Waterproof mattress protectors are safe for babies?

There are different kinds of waterproof mattress protectors. The packaging of products should indicate how much a waterproof mattress protects. 

Below are describing some types of waterproof mattress protectors:


It is a shield that protects the mattress or pads directly; simply from bed bugs and allergens often it is used in hotels.

Moreover, it keeps liquid away from the sleeping surface.


Protectors may use to save the mattress from allergic situations or bedwetting. Even a waterproof protector can keep your baby’s bed clean and dry.

Mattress pads:

A mattress pad assures the comfort quality for the user. Yet pads are thinner and easy to wash.

Mattress topper:

It is also primarily used to give comfort features to the user. Yet it is more comfortable and expensive than mattress pads. 

Even one kind of mattress topper is a featherbed made with down or feathers or a combination of both types of equipment.

Are waterproof mattress covers safe for babies?

Any mattress cover worth its salt might have a waterproof layer to keep urine, spit-up, or other liquids from leaking to the mattress by itself. 

Even it helps keep dry and dust-free your baby’s mattress and reduce the risk of SIDS.

However, you should avoid such mattress covers that are non-made with cotton or rayon. It may be unsafe for your child.


Anyway, a mattress cover made with natural fiber is a soft, breathable pick that’ll be greatest for your baby’s calm and comfort. Even It can also be removed and washed easily.

How to buy a waterproof mattress that is safe for babies?

Though a waterproof mattress protector is great and safe for your baby, it has some harmful sides that may cause your worry. If your baby feels hotter in the mattress, it may lead to weak.

Even you should choose the right plastic because most plastic may be quite toxic. That is suffocative for your baby.

So when you buy a waterproof mattress protector, you must consider some matters so that you have to avoid this problem.

Right size mattress:

You may buy the right size waterproof mattress. If your mattress is the wrong size, your baby might become entrapped in the gap between the cot and the mattress. Yet, as a law, this gap should be 4cm.

Even thinner mattresses cannot offer firm support to your child’s needs. So the waterproof mattress protector should be thick, at least 10cm. However, thinner fluff can lose its dent and shape easily.

So make sure your baby mattress should be firm well. Even choose a mattress that is machine washable and dryer friendly.

Materials or chemicals used:

Many waterproof mattress protectors or pads you get made with one of these chemicals or plastic:

  • vinyl/PVC
  • polyurethane

Among these, vinyl is harmful on two levels. Phthalate is a plasticizer that use to make a mattress protector. These phthalates are the cause of

  • asthma
  • Cancer
  • Kidney and liver damage

So you should better avoid it. Even waterproof mattresses also use EVA/PEVA, which may be better to avoid.

Yet polyurethane on its own can be perfectly safe, depending on its creation. If you find a waterproof mattress protector formulated with polyurethane plastic, you’ll require digging deeper to find out its safety. 

It’s hard to know if a synthetic is off-gassing, but occasionally the toxic smell will give it left.

Cotton mattress protector

It may be safe but not always waterproof. Yet it is moisture resistant. Even wool may be allergenic.

In addition, cotton also absorbs moisture and dries quickly.

The more durable the more safe for babies

If you want to wash the waterproof mattress protectors at the reason of bedwetting, notice the durability while choosing your item.

Yet, you can say how durable a protector is by checking consumer reviews to observe how fine it holds up.

What materials should I look for a safe waterproof mattress?

Cotton terry may be a better-woven cloth option for waterproof mattress protectors. Not only is it breathable and hypoallergenic, but it can also soak up a lot of water. 

The brand also suggests buying the mattress protector for constant accidents. It’s much easier to dirt-free and take on and off your cot.

It seems uneasy to tell which is the best waterproof protector. Yet you may notice some matters while you buy a waterproof mattress.

However, there are more than several mattress protectors on the marketplace that create similar claims. So always make sure customer reviews to find out how durable, waterproof, and comfortable any specified product is.

To make sure of such things, you may be able to find out the best waterproof mattress protector.

Is a waterproof mattress protector good?

Waterproof mattress protectors are well because they resist liquids and can be washable individually. So your mattress protectors are kept in great as a new state even if you knock over a glass of lavender and your infant has an accident in a cot.

In addition, it can keep your baby mattress dust-free and dry that keep them away from allergies, rashes, and illness.

Is a waterproof mattress protector breathable?

If a waterproof mattress protector uses breathable materials such as cotton, polyester, and rayon, it can be breathable and comfortable for your little one.

Polyurethane is breathable, which denotes that it doesn’t make your baby hot and sweaty. So used a mattress that contains polyurethane. It increases breathability and gives comfort to your baby.

Are waterproofed mattress protectors noisy?

Some Traditional mattress protectors created enough noise with every movement of the sleeper. If waterproof mattress protectors apply PVC or vinyl for making it waterproof, these are not mainly comfortable to be asleep on. 

The problem is that they compose you sweaty and hot and even can be noisy to sleep.

So if you use a mattress that uses polyurethane to make it waterproof, these become breathable. It does not make you sweaty or hot. So you may sleep on without noise.

Are waterproofed mattress protectors hot?

A waterproof mattress protector is not hot if it contains cotton, rayon, or polyurethane.

But if the mattress contains PVC or vinyl, it may be the cause of making the waterproof mattress hot and sweaty.

At the bottom line

So now, it can be said, a waterproof mattress is needed for your baby’s comfort and safety while they are sleeping.

It helps to keep your baby’s mattress in better condition and improve its durability against leaks and stains. It will also save your child from dust mites, bacteria, and other allergens.

But choosing the fixed plastic must be kept in mind when you buy a waterproof mattress protector. Because some plastic is quite toxic, that can harm your baby. 

You should clean your baby’s mattress regularly to ensure more health safety.

If you use a second-hand one, it is better to avoid it and buy a new one.

Sarah, a health writer and editor since 2014, is an adoring wife and dedicated mother to 2 daughters and 1 son. As the creator of Babies Plannet, she combines her extensive expertise with her maternal dedication to provide essential care and safety advice for infants, nurturing their well-being and happiness. Her writing explores topics like fitness, pregnancy, and women's healthy lifestyles.

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