2-in-1 dual sided design – The infant side is firmer and provides better support. The toddler side features a CertiPUR-US certified memory foam for enhanced comfort. Waterproof cover with 100% Organic Cotton top layer cradles your baby's delicate skin. Non-toxic, non-allergenic and luxurious to the touch. The CertiPUR-US Certified soy foam core provides support to baby's developing spine and a comfortable night's sleep at any age. Air-vents help keep mattress fresh.Cloth binding is sewn with a lock stitch that helps prevent edge seam from splitting and moisture from entering. Proudly made in the U.S.A. from domestic and imported sources. Lifetime warranty.