High technology meets high luxe comfort and support. State of the art soy foam and cotton work together on infant side to give baby's developing spine the support it needs, while the toddler side provides pressure relieving CertiPUR-US certified Visco-elastic memory foam to give your energetic toddler a comfortable haven after a busy day of play. Proudly made in the U.S.A. from domestic and imported sources. CertiPUR-US certified High Density Soy Foam Core. CertiPUR-US certified Soy foam on toddler side along with blended cotton on both sides means a restful nights sleep at any age. Water and tear resistant laminate cover. Natural air flow pocket helps keep mattress fresh. Cloth binding is sewn with a lock stitch that helps prevent edge seam from splitting and moisture from entering.