Sealy Baby Posturepedic infant and toddler crib mattresses provide one-of-a-kind targeted support with the Posturepedic advanced zone support system. The targeted areas create support and comfort where infants and toddlers need it most. Center zones target the Sweet spot, where infants are placed in their cribs, offering enhanced firmness in the middle of the mattress. Comfy layers are added to the toddler side plus extra head and foot support for active toddlers. The Sealy Baby Posturepedic grow model offers cotton, ortho-support layering, airy cushioning and American-made coils that are tested for lasting durability. Posturepedic 2-Stage models grow with your child with two levels of firmness, targeted support throughout and fit all standard size cribs and toddler beds. Highly durable cotton fabric surface and the tightly woven fabrics help create an easy-clean surface. The fabric is breathable on baby's skin while the waterproof barrier underneath protects against odors inside the mattress. Advaced support system also features a high coil count with 204 durable coils, 10 Strength pillars and steel edge guards for a lifetime of use. Proudly made in the USA with U.S. And globally sourced materials. Green guard gold Certified, passes chemicals of high concern to children (various U.S. States) regulations, passes ASTM crib mattress standards, passes CPSIA standards, voted America's healthiest crib mattresses, winning the 2020 cribs awards. Lifetime warranty on workmanship and materials.