5x52x27.5 Crib & Toddler Mattress Medium Firm - High Density Foam

Our review of the 5x52x27.5 Crib & Toddler Mattress finds it to be a solid, no-frills option for caregivers who want a straightforward, supportive sleep surface for infants and toddlers. The single biggest reason to buy is its 5 in high density, medium firm foam which offers stable support and a consistent feel without off-gassing or squeaking. The mattress targets parents replacing a standard crib or toddler bed mattress who prioritize firmness, breathability, and a quilted fitted cover that stays soft and comfortable for a child.

Key Features

• Standard size: The 5x52x27.5 in dimensions fit most standard full size baby cribs and toddler beds without gaps, simplifying mattress swaps.
• Medium firm foam: The 5 in premium high density foam provides steady support that helps keep small children properly aligned during sleep.
• CertiPUR-US certified foam: The foam is certified to be free of noticeable odors and harmful emissions, which contributes to a calmer setup experience.
• Quilted fitted knitted cover: The cover is soft, breathable and quilted for added surface comfort, with different patterns available to suit nursery themes.
• Edge reinforcement: Reinforced edges improve durability and help the mattress keep its shape over repeated use and changes between crib and toddler bed.
• Brand support: Moonlight Family offers responsive support for questions or dissatisfaction, which adds reassurance after purchase.

Who It's For

This mattress is best for parents and caregivers who need a reliable, medium firm sleep surface for a standard crib or toddler bed and who value a CertiPUR-US certified foam with minimal odor. It suits families replacing an old mattress or outfitting a daycare or secondary sleeping space where ease of fit and steady support are priorities.

Those looking for organic fibers, innerspring construction, or a plush surface should look elsewhere; this is a foam mattress with a medium firm profile and a focus on durability and simplicity rather than luxury materials or adjustable firmness.

Pros & Cons

Pros

• Supportive medium firm foam that keeps a child steady during sleep.
• Quilted fitted knitted cover is soft and breathable with multiple pattern choices.
• CertiPUR-US certification means the foam is free of certain harmful emissions and odors.
• Edge reinforcement improves longevity and shape retention.

Cons

• Limited to foam construction, so it will not have the feel of innerspring or hybrid mattresses favored by some.
• Patterns are available but cover options are not described in detail, so aesthetic choices may be limited.

Specifications

Size	5x52x27.5 in
Foam height	5 in
Firmness	Medium firm
Cover	Quilted fitted knitted, soft and breathable
Certification	CertiPUR-US certified foam
Edge	Edge reinforced for durability
Brand support	Moonlight Family customer support for questions

Our Verdict

The 5x52x27.5 Crib & Toddler Mattress is a practical, well made foam mattress that delivers firm, consistent support and a soft quilted cover at a reasonable value. Parents who need a standard size, odorless, CertiPUR-US certified foam mattress for a crib or toddler bed will find it dependable and easy to fit, making it a good choice for everyday nursery use.

Frequently Asked Questions

Will this mattress fit a standard toddler bed?
Yes, the 5x52x27.5 in dimensions are intended to fit standard full size baby cribs and toddler beds without gaps.

Does the mattress have a chemical odor out of the box?
No, the foam is CertiPUR-US certified and is described as coming with no odor, so strong off-gassing is not expected.

Is the cover removable and washable?
The product description highlights a quilted fitted knitted cover that is soft and breathable, but specific washing instructions are not provided; check with Moonlight Family support for care guidance.