Extra firm 240 heavy duty interlocking coils; Full perimeter border wireOrtho-Insulated layer for support and comfort; Soy-enhanced foam for toddlers and natural cotton wrap; Naturally blended cotton blend woven cover with waterproof backingGREENGUARD Gold certified: recognizes products with low chemical emissions, contributing to healthier environments; Made with CertiPUR-US approved foams which are made without PBDE flame retardants, mercury, lead and other heavy metalsMeets or exceeds flammability, lead, phthalate, and CPSIA testing and does not contain toxic fire retardants; Natural cotton fire protection wrapLimited 40 year warranty