The base is 30% Duck Feather and 70% EPE Foam. The cushions filled with EPE foam. The high-density foam has been tested to meet Certi-PUR requirements, complies with VOC testing under the EU RoHS Directive (EU) 2015/863, and can meet the CA117 flammability standard. The product and all its materials are free from PFAS, PFOS, and PFTE. Formaldehyde testing has been completed for all wood and glue components. All fabrics used in the product are OEKO-TEX Standard 100 compliant.