Best Firm Portable Crib Mattresses in 2026

SAFEST OPTION: Non-toxic construction is free from harmful materials/chemicals; Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

MADE FROM HEALTHY MATERIALS: Premium sustainably sourced firm fiber core made from upcycled plastic bottles for a healthier, longer sleep for your newborn and toddler

EASY-TO-CLEAN WATERPROOF COVER: Durable, waterproof vinyl cover is easy to clean and hypoallergic; Both sides of the mattress feature a waterproof cover, so flip the mattress when it comes time for your baby to move to a toddler bed for freshness

FITS MOST MINI & PORTABLE CRIBS: This crib mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 4"H (not designed for standard cribs or pack 'n plays) | Measure your crib first to ensure a perfect fit.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

IDEAL SUPPORT FOR BABY: This mini crib baby mattress features a premium sustainably sourced firm fiber core made from upcycled plastic bottles for a healthier, longer sleep for your baby| Non-toxic construction is free from harmful materials/chemicals

WATERPROOF DESIGN IS EASY TO CLEAN: Features a durable, waterproof vinyl cover that wipes clean and is hypoallergenic

QUALITY BUILD: The Baby Zzz 5” Foam Crib & Toddler Bed Mattress is made of plush yet firm breathable foam that fits a full-size crib & toddler bed..General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

CONVENIENT & EASY TO CLEAN: The Mattress comes with a removeable outer cover that’s machine-washable. It’s also water resistant & stain resistant.

SAFETY-FIRST: The Baby Zzz Mattress comes in the recommended firmness for infants, is Greenguard Gold Certified and JPMA-certified, and constructed of quality, fireproof fiber.

FITS MOST MINI & PORTABLE CRIBS: This crib mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 4"H (not designed for standard cribs or pack 'n plays) | Measure your crib first to ensure a perfect fit

IDEAL SUPPORT FOR BABY: This baby mattress Features a hypoallergenic fiber core made from recycled bottles for firm comfort and support | non-toxic construction is free from harmful materials/chemicals

WATERPROOF DESIGN: Features naturally blended cotton cover with waterproof backing

FITS MINI AND PORTABLE CRIBS: This baby mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 4"H (NOT designed for standard cribs or Pack 'n Plays) | Measure your crib first to ensure a perfect fit

IDEAL SUPPORT FOR BABY: This baby mattress features a fiber core made from recycled materials for firm comfort and support | Non-toxic construction

WATERPROOF DESIGN IS EASY TO CLEAN: Features a durable, waterproof vinyl cover that wipes clean

SAFETY FIRST, ALWAYS: This mattress is Greenguard Gold Certified and tested to pass all flammability tests (16 CFR 1632 /1633) to guarantee peace of mind

FEATURES: Promotes airflow, made of pocket coil inner spring, fits crib and toddler bed

MADE IN USA: Dream On Me Crib and Toddler Mattresses are designed, engineered and proudly made in the USA

EXCELLENT SUPPORT: Safe, convenient and mobile, this perfect playmat offers a firm fiber core foundation and excellent support for your baby..General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

A HEALTHY BABY ENVIRONMENT: The Dream On Me On-The-Go Trifold Playmat creates a healthy indoor environment for your child as it is Greenguard Gold certified.

SAFETY FIRST: The Dream On Me On-The-Go Trifold Playmat is JPMA Certified and tested to pass all flammability tests (16 CFR 1632 /1633) assuring maximum safety.

SAFER FOR YOUR BABY: When it comes to your infant and toddler, we know that safety comes first. Our mattress is GREENGUARD Gold Certified. That means that our mattresses have gone through rigorous testing and have very low VOCs, reducing the emission of toxic, synthetic chemicals.

MINI CRIB MATTRESSES: This organic mini crib mattress is for mini and portable cribs measuring 38"L x 24"W x 5"H. This is GREENGUARD Certified, 100% breathable, and proven to reduce the risk of suffocation. Choose from a variety of features, such as a cooling gel topper, lightweight core, dual stage for both infants and toddlers, and so much more. All of our mattresses come with a washable cover.

CERTIFIED ORGANIC: We hold ourselves to the highest standard when sourcing and manufacturing the materials we use for our baby bed mattresses. Our mattresses are proudly made in the USA using high-quality domestic and imported fabrics. This is a 5 inch thick mini crib mattress.

PRIORITIZING SAFETY: This mattress is Greenguard Gold certified and meets/exceeds all flammability (16 CFR 1632/1633) standards. It is also designed, engineered, and proudly made in the USA.

IDEAL SLEEPING SURFACE: With a firm core of 3” interwoven steel coils wrapped in a CertiPUR-US certified layer, this mattress creates the comfortable foundation your growing child needs for a good night’s sleep.

HEALTHY SLEEPING ENVIRONMENT: The mattress cover is waterproof and is designed with lockstitch binding that keeps out liquids and stains, creating hygienic & safe sleeping conditions.

GOOD NIGHT'S SLEEP: Our Juniper Dreams 2-Stage Mini-Crib Mattress is hypoallergenic and Greenguard Gold Certified. It’s made with special bundle fiber with Memory Technology so your baby can enjoy a restful, comfortable sleep.

DUAL FIRMNESS: Our baby bed mattress for cribs can grow and adjust with your baby from infant to toddler. You can start them off using the firmer side, then flip it over to use the comfortable plush side for your growing toddler.

BREATHABLE: Our toddler bed mattress is wrapped in an organic cotton cover so they can lay in complete comfort. It allows air to pass through which can help regulate your child’s body temperature.

100% Breathable Mini Crib Mattress: Our mattress not only helps regulate temperature by allowing air to pass through the entire mattress, but there are no VOC's, no off-gassing, no toxic emissions, it's more safer for your baby.

Water Repellent: This mini mattress encasement is water repellent on the top and sides, allows air and heat to ventilate on the bottom.

Fits MINI and Portable Cribs: Our toddler mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 5"H.

SAFETY FIRST, ALWAYS: This mattress is Greenguard Gold Certified and tested to pass all flammability tests (16 CFR 1632 /1633) to guarantee peace of mind

FEATURES TO LOOK OUT FOR: Embossed soft vinyl cover, waterproof binding to maintain freshness and keep the mattress dry.

MADE IN USA: Dream On Me Crib and Toddler Mattresses are designed, engineered and proudly made in the USA of U.S. and imported parts.

Product 1: GREAT CRIB FOR SMALL SPACES OR TRAVEL: Crib includes casters for easy mobility; Folds flat for easy travel and storage; The included mattress (size: 37.5 Inches L x 23.25 Inches D x 1.5 Inches) stores right in the crib when folded

Product 1: GROWS WITH BABY: The 2 position mattress height adjustment on this crib allows you to lower the mattress as your baby begins to sit or stand

Product 2: FITS MINI AND PORTABLE CRIBS: This baby mattress fits most mini cribs and portable cribs; mattress measures 38"L x 24"W x 4"H (NOT designed for standard cribs or Pack 'n Plays) | Measure your crib first to ensure a perfect fit

Product 1: PATENTED FOLDING SYSTEM

Product 1: IDEAL FOR SMALL SPACES

Product 1: SAFETY MATTERS