Best Firm Toddler Mattresses in 2026

100% Cotton Jersey. Measures 28 inches x 52 inches x 9 inches.

SOFT. Our Value Jersey crib sheets offer a warm, tee shirt like feel for exceptional comfort.

SELECTION. Available in a variety of colors to match any style.

WATERPROOF COVER: Soft fabric cover has waterproof backing for easy cleaning | Breathable fiber core made from recycled bottles delivers ideal firmness level while helping save over 300 bottles from the landfill--great for babies, great for the environment

DUAL SIDED: Mattress has 2 unique sides to deliver the best sleeping environment for your growing baby| Infant side is ideal firmness level for newborns | Toddler side features an additional comfort layer

CERTIFIED SAFE: GREENGUARD Gold certified for cleaner indoor air quality and low chemical emissions to help create a healthier sleep space | JPMA certified

USA-MADE EXTRA FIRM COILS: Perfect Rest baby crib mattress consists of 150 durable, posture-supportive coils made in the USA. Resilient coils help create a firm foundation while the steel edges support your little one throughout the entire crib mattress

WATERPROOF PROTECTION: Waterproof mattress protector has a 100% waterproof barrier to protect against leaky messes while mattress is reinforced with lock-stitched waterproof binding that resists stains, odors, and moisture

SUPPORTIVE & COMFY: Standard size crib mattress is made of substantial coils and airy cushioning to cradle baby while mattress pad for crib features quilted, hypoallergenic filling topped with a cotton poly blend knit for extra softness

THE MATTRESS THAT GROWS WITH THEM | Dual-Sided Baby Pad Features Ventilated, Breathable Dual Layers, Providing a Firm Surface for Newborns & Soft, Moldable Memory Cooling Foam Gel for Toddlers | Give Your Tot the Comfort, Safety & Support They Need for a Restful Night’s Sleep | Standard Crib Size 52”x27”x5.5”

FIRM & FLAT FOR FRAGILE NEWBORNS | Create a Safe, Secure Crib Environment During Those Early Days! | Infant Side is Constructed of High Density Foam with Optimal Firmness, Ideal Thickness, Flat Surface & Stable Edges—Just What Babies Need to Support Their Growing Bones & Reduce Hazard as They Learn to Move

PLUSH & MOLDABLE FOR TODDLERS | Flip Over the Mattress to Reveal a Soothing Memory Foam Layer That Contours to Your Growing Toddler’s Neck, Back, Legs & Body | Ultra Soft, Breathable, Cooling Gel Foam Material Supports Healthy Posture, Enhances Relaxation & Helps Diffuse Heat for All-Season Safety & Comfort

LIGHTWEIGHT SOYBEAN FOAM-CORE -- Lightweight, soy based foam-core offers improved durability over conventional foams and uses renewable resources resulting in the use of less crude oils

PREMIUM FOAM -- The foam used throughout is CertiPur-US Certified foam made in the USA. It is made without phthalates, lead, mercury, formaldehyde, PBDES, TDCPP or TCEP flame retardants that may be a concern in non-certified foams. Cover is wet-resistant

WATERPROOF SURFACE & BINDING -- Reinforced embossed waterproof and stain-resistant cover with lock-stitched binding helps to keep liquids from seeping inside. Wipes clean easily

GREENGUARD GOLD CERTIFIED: Tested for more than 10,000 chemicals and VOCs, this crib mattress is certified to contribute to cleaner indoor air and meets the most stringent chemical emissions standards to create a healthier home for your baby

BREATHABLE & MACHINE WASHABLE: 100% breathable cover with 3-dimensional structure allows air to flow through fabric and under baby | Removeable/machine washable cover makes cleanup easy | Waterproof encasement wipes clean and is hypoallergenic

MADE FROM RECYCLED MATERIALS: Firm fiber core made from recycled bottles delivers the ideal firmness level for newborns, infants and toddlers while helping save over 300 bottles from the landfill--great for babies, great for the environment

2-STAGE FIRMNESS -- The Sealy Posture Perfect Hybrid 2-Stage crib mattress is the best of both a dependable innerspring plus the comfort of soybean memory foam combined into one baby mattress with a grow-with-me infant to toddler design. Sealy mattresses are tagged with a firmer infant side and softer comfort side for toddlers on the tag.

SUPPORT LAYERS -- Two support layers cushion and comfort baby while providing a supportive sleeping surface. An airy cotton wrap creates cozy comfort for your little one.

WATERPROOF COVER -- The waterproof cover and lock-stitched waterproof binding . The entire mattress wipes clean with a damp cloth

No Gaps: Fits standard full-size crib & toddler bed; L (52 inches) x W (27.6 inches) x H (up to 5 inches)

Firm Support：The mattress is made of premium foam, is firm which provides good support. It protects the baby's bone development well.

Comfy & Stylish: The surface fabric of the crib mattress is made of cotton, is soft. This crib mattress combines durability, comfort and stylish.

2-Stage firmness: infant side features a layer of Foam blended with plant-base soy for comfort & support | toddler side features a layer of gel memory foam to help reduce pressure points | size: 27.5"W x 52"l x 6"H (fits standard cribs & toddler beds)

190 individually wrapped coils: at the core of this crib and toddler mattress 190 individually wrapped coils support your child in every position | Made in USA of USA and imported materials

Easy clean: naturally blended cotton cover with waterproof backing keeps mattress clean and fresh | beautyedge support provides firm foam edges for superior support and stability throughout the mattress | square corners create a secure fit in the crib

ORGANIC MATTRESS: Our 100% GOTS certified mattresses pass all government flammability requirements while maintaining UL/GREENGUARD certifications for low chemical emissions

TWO-STAGE SUPPORT: This breathable crib mattress offers 2-stage firmness to provide a firmer side for infants and a medium-firm side for toddlers

WATERPROOF COATING: The organic cotton fabric has a patented waterproof coating over the surface that makes for an easy clean with just soap and water

SAFETY:Mini Crib Mattress Topper uses environmentally friendly materials, so you can use it with peace of mind and safety.

Material: Mini Crib Mattress Topper uses baby-grade skin-friendly fabric, and the inner core is made of high-density breathable foam cotton to ensure no smell, constant temperature, heat insulation, sound absorption and shock absorption, no deformation.

Design: Made of breathable fabric filled with eco-friendly foam for noise reduction and softness. The mini crib mattress Topper is printed with cartoon and multi-color patterns, which are loved by babies, and the surface is designed with non-slip to prevent slipping while standing.

MADE FROM RECYCLED MATERIALS: Firm fiber core made from recycled bottles delivers the ideal firmness level for newborns, infants and toddlers while helping save over 300 bottles from the landfill--great for babies, great for the environment

COMPLETELY WATERPROOF & HYPOALLERGENIC: Durable, waterproof vinyl cover is easy to clean and hypoallergenic; 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

RIGOROUSLY TESTED AND CERTIFIED: This mattress is GREENGUARD Gold Certified, which means it's made of materials with low chemical emissions, helping contribute to Healthier environments and indoor air in your home; JPMA certified

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.

AMERICA'S #1 CRIB MATTRESS BRAND: Sealy Baby crib mattresses are America's best-selling brand because the quality, safety and parent-tested and trusted Designs far exceed any other.

CRIB MATTRESS - DURABLE & NON-TOXIC FOAM: The Sealy Butterfly crib and toddler mattress collection is made with CertiPUR-US certified foams that are firm, supportive and non-toxic

CRIB MATTRESS - 100% WATERPROOF PROTECTION: Features a waterproof barrier to keep leaky messes from seeping into the mattress. Designed with a waterproof barrier to help protect against mold, mildew and odors

【Leading crib mattress technology】Our baby crib mattress features advanced 360G high weight distribution six-sided one-piece design, combining the benefits of alpaca and long-staple cotton for a delicate, soft, refreshing, and breathable feel.

【Premium Foam Enhanced support】Our mattresses are made of premium foam to provide optimal support and stability, preventing the edges from sinking and reducing the risk of bodily injury and suffocation when your baby turns over.

【Perfect fit】Our mattress fits standard full-size cribs and toddler beds, measuring L (52 inches) x W (27.6 inches) x H (up to 5 inches). It meets flammability, lead, phthalate, and CPSIA testing and is free of toxic fire retardants.

COMFORTABLE - Accompany with baby’s developmental needs. Our pack and play crib mattress is thicker and cozier for deep supportive comfort, constructed from top quality, high density foam, This mattress provides the perfect balance between firm support and soft comfort so your little one can sleep better.

PORTABLE & MULTIFUNCTION – The Pack and Play folding mattress is lightweight and portable, making it ideal to use at home, at school, play mat, changing pad. It can be used without a playard as well for the perfect toddler sleeping mat.

PERFECT FOR STANDARD PACK AND PLAY - This mattress is 38”long by 26”wide and 2.4”thick, Upgrade design, Keeping balance between adding appropriate thickness and matching baby play bed ,Improve confortable, Square corners design make sure your pad and Play mattress can perfectly fit.

100% Organic Cotton Cover, GOTS Certified: You don’t want your baby near chemicals as they sleep. That’s why we created our mattress with a GOTS Certified, 100% organic cotton cover. Sleep well knowing that you’ve given your little one the very best.

Dual Sided Infant + Toddler Mattress: Our 2-stage mattress features a firm side for infants and babies, and a softer, cozier side that provides ultimate comfort for toddlers as they snuggle up for a restful night’s sleep. When safety and versatility both matter, this mattress from Milliard is just what you need!

Safety Tested and Approved: Safety is everything, especially when it comes to babies and toddlers. And we know that, which is why we’ve put our mattress through multiple tests to ensure it is 100% safe for your little ones. This crib mattress is Certipur certified, and covered with 100% organic cotton. It’s the safe and smart choice for your baby.

HYBRID DESIGN -- Hybrid design featuring both coils, foam, and natural touches for superior support and comfort throughout. 204 premium steel coil system that creates ultimate firmness for toddlers. Sealy mattresses are tagged with a firmer infant side and softer comfort side for toddlers on the tag

SOFT COTTON COVER -- Luxurious cotton cover that is breathable on baby’s skin with a waterproof barrier is designed underneath the cotton cover, pvc-free mattress

2-STAGE FIRMNESS -- On the infant side, a luxurious organic cotton and firm layer provide comfort and stability. The toddler side features a soybean memory foam layer for comfort.

SOOTHING VIBRATIONS FOR BETTER SLEEP: only crib mattress with sleep-study approved soothing vibrations. Designed with 3 soothing vibration modes and 3 timer settings to help babies sleep better, longer and more comfortably.

BETTER SLEEP FOR BABIES: An infant sleep study showed babies sleep quality improved 91%, they slept 78% longer at night, and woke up 61% less times throughout the night when using the Contours Vibes crib mattress when compared to regular crib mattreses.

REMOTELY CONTROL VIBRATIONS & TIMER: A soft-touch remote pairs with your baby's crib mattress to set the 15, 30, 45 minute timers and 3 vibration settings. Use the remote from another room to minimize disturbing baby as they are soothed back to sleep.

BREATHABLE INFANT AND TODDLER MATTRESS designed to lull baby into a cozy, sound, and restful sleep throughout the infant and toddler years

THE INFANT SIDE features 104 coils of extra-thick 13.5-gauge steel coils and 9.0-gauge steel border rods for recommended edge support and firmness needed to promote growth and development

THE TODDLER SIDE features a less-firm convoluted foam for added pressure relief and comfort with natural cotton batting for cushioning, for an exceptionally soft toddler bed mattress

BEE'S PROMISE - ZERO TOXINS: We've strategically put safer ingrednients in our mattresses, while keeping out materials like foam, polyurethane, fiberglass, and VOC's. All of this is to keep your baby sleeping safer and more comfortable.

100% BREATHABLE: This mini crib mattress is 100% Breathable from cover to core, maximizing airflow from the center of the mattress up to the surfaces. All of this creates a safer sleep environment for your baby.

HONEYCOMB FIBER CORE: Made with our 100% Breathable HoneyComb Fiber Core, this mattress has air channels throughout the core that promotes clean air flow up to the surface of the mattress for better air circulation.

100% breathable, non-toxic, no voc's, no foam, no harmful emissions, organic cotton cover, water repellent removable machine washable

Certified organic cotton cover water repellent, Cover is Removable and Machine washable

100% Breathable and non-toxic, Hypoallergenic

A MUST FOR YOUR LITTLE ONE: Looking for a way of ensuring that your toddler enjoys a restful, uninterrupted and comfy sleep all night long? Would you like to make sure your little one is protected during their essential sleeping hours? The Above Comfort toddler bed mattress for crib is the perfect choice!

COMFORT IS KEY: Unlike similar products on the market, this breathable crib mattress supports an optimal body temperature throughout the night, allowing the skin to properly breathe, while keeping your child warm and properly nurtured!

HIGH-END MATERIALS: Our crib mattress memory foam is made of eco-friendly, carefully selected memory foam that provides an ideal firmness level for kids. The cover is made of high-end organic cotton and manufactured in the USA.

Safety Assured - Made in USA, CertiPUR US Certified for durability, performance and content, no ozone depleters nor any harmful chemicals. woOd-it 4” toddler mattress ensures your child a safe & comfortable sleep.

The Memory Foam mattress topper offers the perfect balance between firm support and soft comfort. Patented air flow gel AeroFusion allows for temperature regulation to make sure your baby has a comfy and refreshing night.

Soft & Breathable - The removable cover of crib mattress topper is made of a jacquard fabric that is much thicker than most fabrics on the market, super soft to touch and perfect for baby's skin. Waterproof & washable, easy to maintain hygienic & safe sleep conditions.

PREMIUM SAFETY: Crib Mattress is GREENGUARD GOLD Air Quality Certified for over 10,000 chemicals and VOCs creating a healthier indoor nursery. CPSIA Certified. Passes Chemicals of High Concern to Children regulations for added safety!

BREATHABLE MESH AND ANTIBACTERIAL SURFACES: 2-Stage waterproof cover with rayon from bamboo silky mesh for breathability on baby's skin on the infant side and a hospital-grade antibacterial surface on the toddler side helps prohibits bacterial growth.

FIRM 2-STAGE BABY MATTRESS: Passes ASTM and federal safety standards to ensure proper crib fit and firmness to help reduce the risk of suffocation. Firmer infant side flips to toddler mattress with a cozy side. Measures 52x28x6 inches for snug crib fit

【 Dual Sided Sleep Design 】-According to scientific research, children's demand for crib mattress will change by age-infants need firm crib mattress to support the body and strengthen muscles, while toddler need soft crib mettress to sleep with ease and comfy. SweetForest premium healthy crib mattress has 2-stage dual firmness, which can grow with your children. Start on firmer infant side, and flip for toddler softer side.

【 Softer Side-Temperature Controlling Cool Gel Memory Foam 】-The softer side of organic toddler mattress is made of 1.5" cool gel memory foam, which is skin-friendly, non-toxic and can control temperature well with ultra high breathability-Accelerate air circulation and take unwanted heat away from baby to keep dry and comfortable sleeping environment. And this softer side is suitable for toddler to keep comfortable sleep

【 Firmer Side-High-density Base Support Foam 】-The firmer side of baby bed mattress is made of 4" safety high-density base support foam, which can maximize infant's development, strengthen their muscles and keep crib mattress breathable. While it doesn't seem to be very comfortable to sleep on firmer side, but it's perfect for infant constantle enhance muscle strength to stand up from the firm surface.

SEALY IS AMERICA’S #1 CRIB MATTRESS BRAND -- More babies sleep on a Sealy than any other crib mattress brand in the USA, with premium safety, quality, and family-tested and trusted designs.

PREMIUM FOAM ROLLS OUT FLAT -- Delivered to your doorstep in a lightweight, easy-to-carry box for ultimate convenience. Simply open and your baby's mattress "butterflies" out and takes shape to fit cribs and toddler beds, expanding fully within 48 hours.

2-STAGE INFANT & TODDLER GROW-WITH-ME DESIGN -- A firmer infant high density foam side (identified on the foam) and a more comfortable soybean memory foam side for optimal coziness for toddlers.