The Sealy Serene Duo-Sleek 2-Stage Crib Mattress and Toddler Mattress is a grow-with-me dual firm baby mattress made from premium, sustainable fiber foam that is gentle on baby and the environment. Firmer infant side and cozier toddler side. Earth-friendlier, sustainable foam crib mattress is hypoallergenic and extra durable. 100% waterproof crib mattress. Reinforced pearlized cover is durable and tear-resistant, stain-resistant and odor-resistant. An airflow pocket helps baby's mattress to breathe without any small metal vents or leaky zippers. Infant mattress wipes clean with a damp cloth. Full standard size crib mattress measures 52 x 28 x 5.75 inches for a secure fit in all standard cribs and toddler beds. The square corner design offers a snug corner fit. Ultra-lightweight crib mattress weighs less than 8 pounds to easily change baby's crib sheets. Tested for firmness to help reduce risk of suffocation, and durability tested to perform comfortably through the toddler years! Sealy baby crib mattresses all meet ASTM Crib Mattress standards for safety, quality and lasting durability. GREENGUARD GOLD Air Quality Certified for a healthier indoor sleeping environment. Trusted brand and quality warranty for workmanship and materials. Parents have voted Sealy the most trusted mattress brand. Parents trust Sealy crib mattresses because they are tested to the highest safety and quality standards and Sealy is globally recognized as a premier brand in bedding for almost 140 years.

• Sealy Serene Duo-Sleek 2-Stage Dual Firm Sustainable PolyFoam Crib Mattress and Toddler Mattress
• SUSTAINABLE, SLEEK & LIGHTWEIGHT CRIB MATTRESS: A super-sleek streamlined infant mattress and toddler mattress that weighs less than 8 pounds. Airy hypoallergenic poly-core made with a sustainable edge.
• EARTH FRIENDLIER MATERIALS: Top-quality, locally sourced and air-quality certified cushioning all throughout. Sustainably sourced and made by experts. This model does not have polyurethane foam, latex foam, memory foam, or hard polyethylene plastic "air" cores that create a hard plastic feel.
• FIRMNESS AND DURABILITY TESTED: Passes the latest crib mattress standards to ensure a firm and supportive sleeping surface for babies as well as firm/flat baby mattress testing to help reduce the risk of suffocation.
• TRUSTED BRAND WARRANTY: Sealy supports infants and toddlers; this crib mattress comes with a 10 year warranty on workmanship and materials.
• SAFETY TESTED AND NON-TOXIC, FOR BABY: Tested to meet or exceed children's safety regulations, no lead or harsh phthalates, no flame retardants, voted Healthiest Crib Mattresses by parents, fits all standard size cribs and toddler beds.
• AIRFLOW POCKET: Airflow pocket helps the mattress to breathe.
• EXPERTLY MADE BABY MATTRESSES: More babies sleep on Sealy crib mattresses, which are crafted by crib mattress experts with over 70+ years creating the best baby crib mattresses parents and babies have depended on for decades.
• AIR QUALITY CERTIFIED: GREENGUARD GOLD Air Quality Certified, helping infants and toddlers experience a healthier indoor environment.
• WATERPROOF, PEARL EMBOSSED STAIN-RESISTANT COVER: Crib mattresses perform best with a waterproof cover so liquids and germs can easily be cleaned up quickly. 100% waterproof reinforced surface and waterproof lock-stitched binding repels liquids, odors and stains while keeping mold, mildew and wetness from seeping inside.
• 2-STAGE DUAL FIRMNESS: Infant side is designed to be firmer for newborns and infants for the first year, then flip to the toddler side for extra comfort layers; tags clearly indicate each side for infants and toddlers.
• IMPORTANT - PURCHASE AUTHORIZED CRIB MATTRESSES BY CHECKING THE SELLER SECTION PRIOR TO MAKING YOUR PURCHASE.: Simply choose to purchase from for this baby mattress when ordering online. Sealy cannot guarantee the quality or authenticity of Sealy products from unauthorized sellers who also list the crib mattress on . To ensure a new product that offers the highest safety and quality for you and your family, only buy from listings that are “Sold and Shipped by .” The Sealy warranty does not cover products purchased from unauthorized sellers. Thank you for considering Sealy crib mattresses. You will be pleased like the millions of families who choose Sealy baby!