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ASTM and JPMA certified cribs sold in the USA have standardized size requirements. The standard crib mattress size means that your crib mattress must fit snugly inside a USA standard size crib. Often, improper fitting mattresses are caused because the crib is not a standard size or it was assembled incorrectly.
Minimum crib mattress dimensions are 27 1/4″ x 51 5/8″ and no more than 6″ thick. Use a tape measure to check that there is no more than a 1 1/4″ gap between the interior of the crib side and crib mattress.
ASTM and JPMA certified cribs sold in the USA have standardized size requirements, your crib mattress must fit snugly inside a USA standard size crib. Measure the interior of your crib <link to FAQ How to measure crib> to insure it follows safety regulations.
Often, improper fitting mattresses are caused because the crib is not a standard size or it was assembled incorrectly. Contact the crib manufacturer.
Crib dimensions are dictated by ASTM and Federal Law and must have INTERIOR dimensions of 28″ x 52 3/8″ (plus or minus 5/8″ wide and plus or minus 5/8″ long). The inside of your crib should measure between 27 3/8″ — 28 5/8″ wide and 51 ¾” — 53″ long. Mattresses are designed to be slightly smaller to allow them to fit within these tolerances. <link to standard crib mattress size>.
A toddler bed mattress has same dimensions as a crib mattress but different mattress firmness. Infants need a firm crib mattress to help reduce the risk of SIDs and provide a safe sleep environment. A toddler mattress is softer (but still firm) since the toddler is able to freely roll around and reposition their head while sleeping.
The toddler mattress size is the same as the crib mattress size. The dimensions are 27 1/4″ x 51 5/8″ and designed to fit all standard toddler beds.
The safety of your baby is our top priority. We consider what goes on the inside and outside of your crib mattress very carefully. The majority of our crib mattresses pass all state and federal flammability standards without the use of any fire or flame retardants.
A small portion of crib mattresses use a natural cotton-based protective wrap on the inside of the mattress to pass strict flammability tests. Fortunately, each and every crib mattress we manufacture is GREENGUARD GOLD certified so it has been tested for chemical content and emissions so it is safe for babies and toddlers.
GREENGUARD® Certified means that a product as met some of the most rigorous standards for low emissions of volatile organic compounds (VOCs). These emissions are potentially dangerous, especially for children.
GREENGUARD® GOLD Certified means that the mattress passes strict tests for indoor air quality and chemical emissions for products used with children. An independent laboratory puts the mattress in an air chamber and measures the component emissions.
All of our crib mattresses are GREENGUARD® GOLD Certified so it means it has been tested for safe use with children.
All Sealy Baby crib mattresses meet the Children’s Safe Products Act and Chemicals of High Concern to Children (CHCC) regulations passed by Washington State. Washington legislation has the strictest standards in the nation for chemicals used in children’s products.
We do not have substances like lead, phthalates or other chemicals that are deemed hazardous. All these tests are conducted on materials used.
Parents and caregivers can feel confident that when choosing a Sealy Baby sleep product it has been tested and meets these chemical regulations so the child is not touching potentially harmful chemicals.
All Kolcraft, Sealy and Stearns & Foster crib mattresses come with warranties on workmanship and materials. This includes the cover and the components as long as the crib mattress has been used as intended for children ages 0-4 years old. If you have a concern about the workmanship or materials please advise the issue so we can properly correct it. Learn more about our Sealy Baby crib mattress warranty.
The crib mattress model number is located on the law tag sewn into the cover.
Babies have accidents so parents need a waterproof crib mattress for health and comfort reasons. All of our crib mattresses are made with waterproof covers.
Laminate covers are inherently waterproof and fabric covers come with additional non-toxic waterproofing to help ensure they are easy-clean and do not trap liquids, which can cause mold or germs. Our cotton covered crib mattresses use a water and stain resistant top coating plus a full waterproof and allergy barrier backing so liquids won’t seep inside.
Soybean foam is a high-density polyurethane foam enhanced with natural soybean oils. Our soybean foam has won environmental and engineering awards and is CertiPur-US Certified for durability, indoor air quality, and tested for safe use with infants. It allows consumers to choose a greener foam option without sacrificing any quality.
All high density foams on the market are made of polyurethane foam. We use a percentage of natural soy oils in our foam to create a more natural foam versus using 100% petroleum based foam.
Look for polyurethane foam with CertiPUR-US® Certified foam. This certification means the foam crib mattress has been tested for durability and they are free of harmful chemicals.
Other all foam crib mattresses include materials like polyethylene cores. A two-stage foam crib and toddler mattress will use a softer material on the toddler side, like a cool gel foam or memory foam.
All of our crib and toddler mattresses are GREENGUARD GOLD certified so they do not emit harmful toxins.
Coil (or innerspring) crib and toddler mattresses have inner coils made of steel which means the mattress bounces back quickly. The higher coil count, the firmer the mattress. Coil mattresses are popular because the steel coils last a lifetime.
The most popular foam crib mattresses are made of high-density polyurethane foam. Look for polyurethane foam with CertiPUR-US® Certified foam for durability and safety. Foam mattresses are popular because they are lighter than coil and many offer two foam densities, a firmer side for infants and a softer side for toddlers.
A 2-sided crib and toddler bed mattress provides firmness, support, and cozy comfort that grows with your baby. These 2-stage or ‘2-in-1’ crib mattresses offer premium, dual-stage firmness, with a firmer side for newborns and infants — as recommended by pediatricians — and a softer, yet still supportive side to keep toddlers comfortable.
Each child is different but most babies are ready to for the softer (but still firm) toddler mattress side about 12 months. Your 2-sided crib mattress (also called 2-stage or dual stage) should be clearly marked which side is for each stage. Be sure to check with your pediatrician before adding any soft bedding to your baby’s sleep environment.
All Sealy mattresses are GREENGUARD GOLD Certified. This means they have undergone strict laboratory testing for indoor air quality and low chemical emissions. This creates a healthier and more hypoallergenic indoor sleeping environment. You can find mattresses with cotton fabric covers and cushioning in the Sealy Natural line of crib mattresses.
As a leading manufacturer of crib and toddler mattresses, Sealy and Kolcraft offer several mattresses as exclusive products for our retailers. With their large volume of shipping, we cannot match their value pricing and free shipping options. Regardless of where your mattress is purchased, out Customer Service team will be here to help with any questions or concerns you may have.
Parents know that an easy cleaning crib mattress is important for the inevitable mess that comes with a baby or toddler.
Our vinyl and laminate crib mattresses covers are waterproof and can simply be wiped down with a damp cloth and gentle cleanser.
Our fabric covered crib mattresses, with materials like cotton, polyester and rayon, can be spot cleaned.
All of our crib mattress covers have waterproof barriers, so liquids and odors won’t seep inside. To clean the outer cover, first, blot away any liquids on the surface and removing any excess debris. Gently remove the stain with a clean, damp cloth and mild soap/liquid detergent and water. Wipe down with a damp cloth.
Allow to air dry before putting on crib mattress pads or crib sheets. Your crib mattress should always be allowed to dry after cleaning in order to prevent mold, mildew or odors on the outside surface. Do not use harsh or abrasive cleaners.
Despite claims about crib mattresses on the market being breathable, no product or baby mattress prevents SIDS or suffocation. Breathability claims from some baby mattress manufacturers are not proven with scientific evidence or laboratory tests. Only safe sleep practices can help reduce the risk of SIDS.
Sealy Baby offers many baby and toddler mattresses with cotton or bamboo rayon fabrics and mesh materials, these are more breathable on baby’s skin than laminate or vinyl materials.
Each child will be different, but most transition from the crib to a big kid bed (or toddler bed) between 18 months and 3 years of age. Sometimes it’s because a new sibling is on the way or they’ve outgrown their crib, maybe your child has expressed an interest in moving to a ‘big kid’ bed. If you purchased a 2-stage mattress and haven’t yet flipped it, moving to the toddler bed is certainly the time to use the softer (but still firm) toddler side.
There are many factors that go into a safe sleep environment for babies and infants <link to safe sleep tip>. Some of the most important considerations are keeping the crib free of soft bedding, bumpers, stuffed animals, or other suffocation risks. Place the crib away from windows with blinds with strings or other decorations that have cords that can entangle the baby. Always place the baby on their back. If you have questions or concerns, always ask your pediatrician.
SIDS (Sudden Infant Death Syndrome) is the sudden death of an infant that cannot be determined, it is the leading cause of death for infants ages 1 to 12 months. Unfortunately, researchers remain unsure what causes SIDS but creating a safe sleep environment can help reduce the risk.
Crib Mattress pads protect the crib mattress from moisture, allergens, and keep the baby dry and comfortable through all their leaky messes.
Not only do Sealy crib mattress pads provide a waterproof or absorbent barrier to protect baby’s mattress from moisture, they also feature cozy top fabrics and hypoallergenic quilted fill to provide just the right amount of added comfort for infants and newborns. Certain crib mattress pads even offer innovations and technologies to help keep baby cooler, protect their mattress from allergens, and provide a more natural sleeping environment.
Plus, for easy-clean-ups of leaky messes, spills and accidents – especially in the middle of the night – crib mattress pads can quickly be removed and tossed in the hamper or wash. Then, a fresh crib pad can easily be placed on baby’s mattress for a clean sleeping surface. We recommend that parents register for or purchase 2 or more crib mattress pads, so they always have a fresh one on-hand.
Families have trusted Sealy Baby crib mattresses and baby bedding to provide premium quality, comfort, and support for their little ones for years. With our wide range of classic, natural and innovative fabrics, including moisture wicking and stain protection, there is a crib mattress pad for every kind of sleeper.
Safety and quality is of the utmost importance. Our crib bedding – all of which can be machine wash and dried – is extensively wash and dry tested to ensure long-lasting use and durability. Plus, Sealy crib mattress pads meet many safety, quality and material standards, including CPSIA 3rd party lab testing for lead and phthalates and the Chemicals of High Concern to Children (CHCC) regulations.
Additionally, all Sealy crib mattress pads feature a premium SecureStay full fitted stretch skirt for added security. Our crib bedding is well under 1” in thickness for infant safety and all crib pads feature a flat surface without any bumpy or raised patterns. Parents can rest easy when they choose Sealy Baby for their infants and toddlers.
Sealy crib mattress pads come with a 60-day limited manufacturer’s warranty on workmanship and materials with a valid receipt. The product must have been properly stored and used per the warranty statements found at www.kolcraft.com/warranty.
An encasement is a type of protective bedding, designed to easily zipper around the entire mattress, fully encasing it. Traditional encasement will often have a waterproof barrier for moisture protection. Sealy Baby crib and toddler mattress encasements feature a premium, tightly woven fabric that offers protection from household allergens and asthma instigators and it has been lab tested for protection against bed bugs.
A traditional crib mattress pad is designed to add additional comfort and coziness in baby’s bed, with many offering added waterproof protection. Unlike encasements, crib mattress protector pads do not fully encase baby’s mattress, however most, including those made by Sealy Baby, feature a fitted stretch skirt that wraps underneath crib mattresses for a snug, secure fit.
Parents and caregivers can use an encasement and mattress pad together to give baby’s bed the ultimate protection. The encasement goes on the mattress first as the bottom layer, followed by a crib mattress pad for extra comfort and moisture protection, with baby’s fitted crib sheet on top.
Most of our crib pads feature a waterproof barrier for additional protection from moisture, leaky messes and spills. This waterproof layer helps protect infant and toddler mattresses from moisture and makes clean-ups quick and easy for parents – which is especially important during late night accidents and bedding changes. All of our waterproof barriers have been durability and wash tested to ensure long-lasting quality and protection.
Sealy Baby crib mattress pads are made from a variety of classic, innovative, and natural materials to create a cozy and comfortable sleeping surface for your little one. Our entire collection features hypoallergenic, PVC-free and safety tested fabrics for long-lasting quality. For more natural comfort, the Sealy Quilted Crib Mattress Pad with Organic Cotton Top and the Sealy Allergy Protection Crib Mattress Pad with Organic Cotton Top feature a GOTS Certified 100% organic cotton top. These pads also have hypoallergenic poly fill for durable comfort and cushioning, plus a safety-tested TPU waterproof protective barrier.
For cotton comfort throughout, the Sealy Naturals Cotton Crib Mattress Pad offers a 100% cotton top and bottom plus a 100% cotton fill for a superior feel and absorbency in baby’s bed. The Stain Protection collection of crib mattress pads and the Healthy Grow Plush both offer premium cotton-poly blended fabric tops.
We recommend using just one crib mattress pad on baby’s bed to ensure optimal performance and a secure, safe fit on infant and toddler mattresses. All of our crib mattress pads offer a premium SecureStay full fitted stretch skirt that provides a snug fit, while still allowing for easy sheet and bedding changes – even late at night. We recommend that new parents purchase or register for 2 or more crib mattress pads to ensure you always have a fresh, clean mattress protector on-hand. For extra moisture protection, a crib mattress encasement can be used under your little one’s crib pad; our encasements fully zipper around baby’s mattress and provide 100% waterproof protection.
All Sealy crib mattress pads are designed to snuggly and securely fit USA standard full-size crib mattresses and toddler bed mattresses. These pads measure 52” L x 28” W and feature an 8.5” SecureStay full fitted skirt that stretches under baby’s mattress for a snug fit for extra security. Our crib mattress pads can be used with both foam and innerspring mattresses and with round and square corner designs.
Our Sealy crib mattress encasements, which fully zipper around crib mattresses, also measure 52” L x 28” W and feature a soft, stretchable fabric designed to fit baby mattresses up to 6” H/D.
We recommend that new parents and caregivers purchase 2-4 crib mattress pads for baby’s bed. This helps ensure that you always have a fresh, clean crib pad on-hand while the others are in the wash, so the baby’s crib mattress is always well protected and extra comfortable.
A crib mattress pad is an important part of the nursery, providing extra-cozy comfort and waterproof protection for baby and the mattress. Some important things to look for in a crib mattress pad include:
• Waterproof barrier or absorbent materials
• Fitted design: stretch skirt
• Machine washable for easy cleaning
• Flat surface for infant safety
• Hypoallergenic materials
• Lock-stitched binding or pinsonic quilting – no loose threads
The top fabric layer can vary from pad to pad and may include cooling moisture wicking fibers (great for warm climates or babies who may sleep hot), allergen barrier materials, and stain protection finishes to protect baby’s bed from spills, leaky messes and late-night diaper accidents. For a touch of nature in baby’s crib, consider a crib mattress pad with natural or organic cotton fabric covers. Sealy offers a variety of crib and toddler mattress pads, so you can find the ideal, perfect pad for your little one. Be sure to purchase or register for multiple crib mattress pads, so you have one on-hand during laundry days!
Crib mattress pads are an essential part of baby’s nursery, providing added comfort and protection for infant and toddler bed mattresses. Our extensive line of Sealy crib pads offers a variety of classic, natural and innovative materials so you can find the best crib mattress pad for your family!
If your little one is sleeping on a woven cotton fabric crib mattress, consider purchasing crib mattress pads with natural cotton materials or organic cotton top layers for added breathability on baby’s skin. For classic comfort, our traditional waterproof crib mattress pads, available in both single and multi-packs, provide added cushioning plus moisture protection in baby’s crib. If you are looking for innovative technology on baby’s mattress, look for moisture wicking fibers, allergen barrier fabrics, and stain repelling finishes for optimal comfort, cleanability, and protection.
We recommend purchasing 2-4 crib mattress protector pads, so you always have a fresh, clean pad on-hand. Don’t forget a crib mattress encasement for extra protection and multi-use pads for on-to-go cozy comfort.
All Sealy Baby crib mattress pads are extensively safety and quality tested to ensure the best for your little one. Our pads are less than 1” in thickness and feature flat surfaces with no bumpy designs or raised patterns. The hypoallergenic quilted filling provides added comfort, with the just the right amount of softness for infant and newborn safety. Additionally, our crib mattress pads feature lock-stitched binding and pinsonic quilting so the threads will not unravel on baby’s sleeping surface. Look for a crib mattress pad that features a fitted design with a stretch skirt, like our SecureStay skirt, that wraps well underneath the mattress for a secure, snug fit. And remember, it’s important to always place baby to sleep on their back and remove and stuffed animals, pillows or loose blankets from their crib for safety.
All Sealy Baby crib mattress pads have been wash and dry tested to ensure long-lasting use and quality. They are machine washable and dryer friendly for easy cleaning. The care instructions vary slightly from product to product and can be found on the tags located on your crib mattress pad. The care instructions should be followed for optimal quality and performance. Be sure to tumble dry on low or no heat, depending on the product, to help protect the waterproof barrier.
We do not add flame retardants to our crib mattress pads. All Sealy crib mattress pads undergo extensive quality, chemical and safety testing so you can rest easy knowing your little one is sleeping on Sealy bedding.
The model number of your Sealy crib and toddler mattress pad can be found on the law tag sewn into the side of the mattress pad. The model number of your Sealy fitted crib sheet or crib mattress encasement can be found on the information tag sewn into the inside. The model number for your Sealy changing pad can be found on the back side of the pad on the law tag. Sealy crib pads, sheets, encasements and changing pads start with ED###.
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