Organic Mattresses, Inc. (OMI) based in Yuba City, California, manufactures mattresses and bedding free of oil based materials and toxic chemicals (chemical pesticides, sanitizers or fire retardants). Components used in production of the mattresses are derived from natural materials: Cruelty-free Eco-Wool™, certified organic cotton, and 100%-natural rubber latex — all renewable, biodegradable resources. OMI is the first mattress factory in the United States to meet the Global Organic Textile Standard (GOTS). Its mattresses meet federal flammability resistance standards by using wools as a natural flame retardant. All mattresses made in USA. Organic and Natural certifications available here:. 20 year limited warranty