With seamless, waterproof edges, 150 coils, edge support and a 2-stage dual firmness (firmer for infants and a slightly softer for toddlers), this mattress should satisfy yours and baby's needs for years. Hypoallergenic design meets the strictest GREENGUARD® certification standards for eliminating chemical emissions wipe clean waterproof surface so pure it meets food contact standards waterproof seams prevent moisture penetration and allow for easier cleaning square corners for a snug fit measures 52x27.75x6 meets CPSIA/CPSC requirements firm and comfortable wavesupport technology (100% food-grade polyethylene) certified organic cotton fabric & filling wipe clean made in America. The item "Naturepedic No Compromise Organic Cotton Classic Crib Mattress" is in sale since Thursday, January 04, 2018. This item is in the category "Baby\Nursery Furniture\Crib Mattresses".The seller is "pudge30ryan" and is located in Lawrenceburg, Indiana. This item can be shipped to United States.