Greenguard Gold & Non Toxic Certification – Greenguard Gold certified for over 10,000 chemicals and VOCs, CPSIA compliant, and screened for Chemicals of High Concern to Children to support a safer, healthier sleep space for infants and toddlers. Breathable & Washable Rayon Knit Cover – Soft breathable rayon knit cover feels gentle on baby’s skin, includes a waterproof barrier to protect the mattress, and zips off easily for machine washing and line drying to keep the sleep surface fresh. Firm 2 Stage Dual Firmness Support – Features an extra-firm infant side and a cozier toddler side, meeting ASTM F-2933 standards for safe crib fit and proper firmness to help reduce suffocation risks and promote comfortable sleep as baby grows. Sustainable Lightweight Toddler Mattress – Built with a durable USA-made fiber core screened for quality, safety, and longevity, offering an eco-friendlier construction that weighs only 8 lbs for easy lifting, handling, and quick crib sheet changes. Trusted Baby Mattress Brand Made In USA – Proudly made in the USA by Sealy, the top-selling crib mattress brand trusted by parents nationwide, featuring square corners for a secure snug crib fit and dependable performance night after night. Pairs Perfectly With Sealy Mattress Protector – Designed to complement Sealy crib mattress pads available in one-pack or two-pack options, providing added waterproof protection, improved cleanliness, and long-lasting comfort for growing babies.