5 Best Portable Crib Mattresses

baby lying down in crib

Your baby’s comfort and safety is essential when it comes to their sleeping arrangements.

But there is also a practical element to consider.

As well as in their crib or bassinet, sometimes your baby might need a nap in a playpen. This is where a portable crib mattress can be really useful, to make things comfortable for your baby, and easier for you to deal with all those little naps during the day.

What is a portable crib mattress?

Portable crib mattresses are smaller versions of standard crib mattresses. As with standard mattresses, portable versions are often firm and designed to promote airflow. The size is the main difference.

Which brand is the most popular?

Chart showing the most popular brands of portable crib mattresses based on monthly search volume online

What should you consider before buying a portable crib mattress?

The main considerations for finding the right portable crib mattress include:

Size

If you’re planning on purchasing a portable mattress to fit inside a mini crib or playpen, check the size. While most mini mattresses measure 38” x 24”, some options may include irregular sizes.

Firmness

The thickness and firmness of the mattress determine the amount of support. As babies require more support, look for firm and thick mattresses. Mattresses measuring less than two inches thick may not offer enough support.

Materials

The materials used in the mattress may affect breathability, flammability, and odor protection. Look for options that promote airflow and meet federal standards for flammability.

Most portable mattresses are now made with hypoallergenic, non-toxic materials.

However, you may want to look for options that specifically list these features if you are concerned about allergies or toxins.

Weight rating

The weight rating of the mattress is another consideration if purchasing the mattress for a toddler. Mattresses should support 40 or more pounds, which should work for boys and girls under the age of three.

Overall quality

If you want the mattress to hold up for more than a few months, it also helps to review the overall quality. Look at customer feedback and reviews to find out if the mattresses are built to last.

With these details in mind, here is a closer look at some of the top recommendations.

Want something practical and convenient for your baby to sleep on? Check out some of the best portable crib mattresses to see which is right for you and your baby

Newton Breathable Mini Crib Mattress

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The Newton Breathable Mini Crib Mattress provides firmness and breathability. It is one of the few breathable crib mattresses that still provides optimal support for infants.

Features

The inside is filled with hypoallergenic material with no polyurethane foam. The non-toxic material is soft and breathable.

The mattress measures 38” x 24” x 5.5”. The thicker design ensures that it remains firm even though it has porous breathable material inside.

Pros

  • Soft yet firm design
  • Breathable construction

Cons

  • Price. It’s pricier than other portable mattresses
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Dream On Me Portable Mattress

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The Dream On Me Portable Mattress is an affordable option for those with limited budgets. It is made to fit mini cribs but may not work well in playpens (playards).

Features

The mattress measures 38” x 24” x 3”. It is on the thinner side and may not provide a completely flat surface when placed in certain playpens.

The interior is made with material that meets federal flammability standards while also promoting airflow. The exterior is shielded with a vinyl waterproof cover.

Pros

  • Affordable price
  • Breathable design

Cons

  • Mattress is not thick enough for playpens
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Delta Children Twinkle Portable Mattress

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With the Delta Children Twinkle Stars 3-Inch Portable Crib Mattress, you get a waterproof design and firm support at a low price.

Features

The mattress measures 38” x 34” x 3”, fitting most mini cribs. As with other three-inch mattresses, it may not be thick enough for use in playpens.

As with the Dream On Me mattress, it is made with non-toxic polymer fibers to provide support when placed on a flat surface. It also has a vinyl cover that wipes clean and protects the mattress from leaks.

Pros

  • Affordable mattress
  • Durable construction

Cons

  • Thin design may not work in playpens
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LA Baby Multi-Use Waterproof Portable Mattress

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If you plan on using the portable mattress for travel, try the LA Baby Multi-Use Folding Mattress. It folds into a compact size and stores in a convenient carrying bag.

Features

The LA Baby mattress contains three separate sections that extend to fit most mini cribs. It measures 25” x 37.5” x 2”. Due to the slightly shorter length, it may not work in every mini crib. The two-inch size may also make it unsuitable for some playpens.

While it may not fit every crib, it is easy to transport. Use it for travel, for camping, or as a portable changing pad.

Pros

  • Most portable mini crib mattress
  • Suitable for a variety of situations

Cons

  • Not very firm and measures just two inches thick
  • May not fit all mini cribs or playpens
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Baby Portable Mattress Blended Organic

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The LA Baby 3-Inch Portable Mattress provides an organic option for those worried about exposure to toxic materials.

Features

The mattress measures 38” x 24” x 3”, as with most portable mattresses. However, instead of plastic or polyurethane foam, it is filled with a soy foam core.

The material is hypoallergenic and covered in an easy-to-clean blended cotton barrier. The material is soft to the touch but still requires a waterproof cover.

Pros

  • It includes organic material
  • The box edge construction keeps corners from folding in

Cons

  • The three-inch mattress may not remain flat in playpens
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boy sitting on floor in nursery

FAQs – Best Portable Cribs Mattresses

Do I need a breathable crib mattress?

Breathable mattresses tend to stay cooler, helping your child stay asleep. However, breathable mattresses also come with extra safety concerns.

Most breathable mattresses are filled with polyester, plastic, or polyurethane foam. While these materials should still meet federal standards, they are less flame-retardant.

A breathable mattress may also offer less support and increase the risk of bacterial growth from leaks. The material used in the mattresses is more porous, increasing air circulation and allowing fluids to seep inside.

If you’re choosing a breathable mattress, ensure that it includes a waterproof barrier or purchase a waterproof crib mattress cover.

Does the mattress need to be firm?

Babies require firm mattresses for support to reduce the risk of suffocation. This is especially important for children under the age of 12 months as they may not have the ability to roll over on their own yet.

Nearly two decades ago, researchers found that infants are 20 times more likely to die from SIDS when placed on their stomachs on soft bedding. Pediatricians now recommend placing babies on their backs on firm mattresses.

What are the typical dimensions of a portable crib mattress?

Standard crib mattresses are made to fit a typical crib and measure 52” x 28”. The thickness varies with most crib mattresses measuring four to six inches thick.

Portable crib mattresses are made for portability. The average size is 38” x 24”. Portable mattresses are often thinner compared to standard options, measuring one to four inches thick.

Most portable mattresses are made to fit the average mini crib or foldable playpens.

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Author: Graham Scott

Graham runs the place around here. He likes making a "little noise" about all things to do with tennis and parenting. Check out his about page to learn more.

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