CertiPUR-US certified foam means that the foam is made WITHOUT: ozone depleters; PBDEs or the following Tris flame retardants: TCEP, TDBPP, TDCPP or TEPA; mercury, lead and heavy metals; formaldehyde; phthalates regulated by the Consumer Product Safety Commission. The foam is performance-tested, durability-tested, emissions-tested, content-tested, and analyzed by independent accredited testing laboratories.