Crib Mattress For Infant

Just like regular-size crib mattresses, mini crib mattresses differ widely on the features they offer.

Mini crib mattresses fall into several main categories. Some mattresses might even be a combination of some of these types:

  • Flippable crib mattresses offer a firmer side for babies in the first few months of life and a softer side for when it’s safe to give baby’s head a little extra cushion.
  • Waterproof crib mattresses are made to be pee-proof, even for your little one’s longest sleep stretches.
  • Organic crib mattresses are made with organic cotton, wool, and other natural materials to limit chemical fumes.
  • Innerspring crib mattresses typically have a firmer feel and protect your baby from “sinking in” too deeply into the mattress.
  • Foam mattresses tend to be softer than innerspring mattresses but still firm. They’re not as soft or “sinkable” as memory foam mattresses for adults. Most commercial brands of mini crib mattresses have a foam core.

How to shop

When you’re shopping for a mini crib mattress, there are a few things to keep in mind.

Used vs. new

Contrary to what advertisers tell you, babies don’t actually need every single brand-new, sparkly [insert latest “must-have” gadget] that you see in commercials.

But crib mattresses are the rare exception when buying something new, instead of thrifting or recycling, could actually make a difference.

Researchers team up with crib mattress manufacturers to update safety regulations all the time. Using an older mattress might mean that your mini crib mattress isn’t as safe as a newer model.

Reusing mattresses might potentially introduce mites, bacteria, and even bed bugs to your little one during their first weeks, when their immune systems are still being activated. If at all possible, buy something new.

Know your safety lingo

There are a few definitions that are good to know before you buy.

All crib mattresses have to meet the Food and Drug Administration (FDA) minimum standard for flammability. Additionally, Certi-PUR USMadeSafe, and Greenguard are all types of certifications that indicate a mattress has been tested to meet low-fume emission thresholds.

The Greenguard Gold Seal, in particular, is one of the most coveted certifications.

Size matters

You’ll need to be thinking carefully about what fits best in your mini crib. According to the FDA’s crib guidelines, a mattress for a crib needs to fit snugly against every side of the bed so that your little one stays safely on top of the mattress. The same goes for mini cribs, which is why sizing is so important. There should be no gaps wider than two fingers between the mattress and the sides of the crib.

How we chose

We tried to select a range of price points in our roundup of the best mini crib mattresses.

Mattresses in this roundup have no current recalls or pending safety lawsuits against the company. Our picks are certified to have low emissions or nontoxic materials.

We also took a look at what customers say about each mattress we chose. Good reviews from multiple online retailers were a must.

A flat, rigid surface without any surrounding pillows is the golden rule for a newborn sleep environment. We looked for mattresses that are naturally snuggly and will contour gently to your newborn’s body.

All measurements for mattress dimensions are given in inches.

Pricing guide

  • $ = under $75
  • $$ = $75$100
  • $$$ = $100–$150
  • $$$$ = over $150

Healthline’s picks of the best mini crib mattresses

Best overall mini crib mattress

Naturepedic Organic Breathable Mini Crib Mattress

Naturepedic Organic Breathable Mini Crib Mattress
  • Price: $$$$
  • Measurements: 37.5 L x 23.5 W x 3 H in.

If you’re concerned about off-gassing, ventilation, and safe manufacturing practices in your mini crib mattress, this is our top pick.

It has MadeSafe, Greenguard Gold, and Global Organic Textile certifications, which isn’t easy to do. This mattress also features waterproof backing.

What to know before you buy: This mini crib mattress is definitely a splurge for a product your baby may only use for a year or so. Naturepedic offers a 30-day, money-back guarantee and free returns if you decide it’s not for you.

Buy the Naturepedic Organic Breathable Mini Crib Mattress online

Best two-stage mini crib mattress

Bundle of Dreams Mini Crib Mattress

Bundle of Dreams Mini Crib Mattress
  • Price: $$$
  • Measurements: 38 L x 24 W x 5 H in.

This two-stage mattress offers a firm side for newborns and a softer foam side for when baby is ready to make the switch. The cover has certified organic cotton, and the mattress is Greenguard Gold certified, meaning it’s been tested for gas emissions and been found safe.

What to know before you buy: If you purchase through the company website, you’ll get free shipping, a lifetime warranty, and a 120-day trial.

Buy the Bundle of Dreams Mini Crib Mattress online

Best organic mini crib mattress

Nook Organic Pebble Mini Crib Mattress

Nook Organic Pebble Mini Crib Mattress
  • Price: $$$$
  • Measurements: 38 L x 24 W x 3 H in.

The Nook crib mattress is thinner than some other options, but reviewers say it still feels soft and fluffy. Organic coconut coir and organic wool are the main materials used, and reviewers like the textured, cloud-like mattress cover.

It’s Greenguard Gold Seal certified and also meets Global Organic Textile Standard guidelines. The cover is removable and washable, too.

What to know before you buy: Nook is a newer company, so it doesn’t have the track record of well-established companies. This mattress is quite expensive and not flippable, which means you’re spending money to use it for maybe only a few months until your baby outgrows it. It may not be the best bang for your buck, but reviewers say it sure is soft.

Buy the Nook Organic Pebble Mini Crib Mattress online

Best waterproof mini crib mattress

Babyletto Pure Core Non-Toxic Mini Crib Mattress with Hybrid Waterproof Cover

Babyletto mini crib mattress with waterproof cover
  • Price: $$$
  • Measurements: 37.5 L x 23.5 W x 3 H in.

The Greenguard Gold-certified Babyletto mini crib mattress features a firm, waterproof surface and also includes a removable waterproof cover. Reviewers say it’s lightweight, breathable, and ultra-soft to the touch.

What to know before you buy: Some reviewers noted that the mattress cover can only be washed in cold water. The mattress materials aren’t necessarily organic, either. Babyletto offers a 1-year manufacturer’s warranty for the cover and 10-year warranty for the core of the mattress.

Buy the Babyletto Pure Core Non-Toxic Mini Crib Mattress online

Best budget-friendly mini crib mattress

Serta SleepTrue 4-Inch Mini Crib Mattress

Serta SleepTrue Mini Crib Mattress
  • Price: $
  • Measurements: 38 L x 24 W x 4 H in.

Serta offers many of the same qualities as some much pricier brands with this mattress. It’s Greenguard Gold certified and can fit snugly in most mini cribs. The cover is vinyl for wipe-off cleaning. It’s also flippable, offering two firmness levels so you can use it past the infant stage.

What to know before you buy: You’ll probably want to add a mini crib sheet since vinyl isn’t the coziest cover material.

Buy the Serta SleepTrue 4-Inch Mini Crib Mattress online

Best lightweight mini crib mattress

Simmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress

Simmon Kids SlumbeerTime Naturally Mini Crib Mattress
  • Price: $
  • Measurement: 38 L x 24 W x 4 H in.

This mattress comes in at just under 4 pounds, which makes it super easy to flip from the firm side to the soft side when your baby is ready.

It’s also Greenguard Gold certified and features a soft cotton cover designed for breathability and comfort. Since it’s waterproof, stain-resistant, and flippable, you may be able to use this mattress until your baby outgrows their mini crib.

What to know before you buy: Reviewers rave that this mattress is a great value for the price. They say the cotton cover makes a big difference when compared to other similarly priced mattresses that are topped with vinyl.

Buy the Simmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress online

Best breathable mini crib mattress

Newton Baby Crib Mattress in Mini

Newton Baby mini crib mattress
  • Price: $$$$
  • Measurements: 38 L x 24 W x 5.5 H in.

This mini crib mattress is designed to be easily washable. You can unzip and throw the cover in the wash, and rinse the core of the mattress with soap and water in your shower.

The mattress is Greenguard Gold certified. It’s also made to be super-breathable. Reviewers say the cover is soft to the touch. It can be flipped to a softer firmness as your infant grows into a toddler.

It’s also closing in on 1,000 5-star reviews on Amazon, which is no easy feat.

What to know before you buy: Some reviewers claim that this mattress has a strong smell when it first arrives, so keep that in mind. With a 100-night trial, free shipping, and free returns if you buy through the Newton website, you’ll have plenty of time to decide whether this one’s a keeper.

Shop now at Newton Baby

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