Safety Certification: U.S. CPSC Bike ASTM F-1492 Skate *ASTM (America Society for Testing and Materials) The worlds largest international standardization and standard setting agency. It has established and issued the ASTM standard for industrial standards. Industrial materials (iron and steel, non-ferrous metals, rubber, plastic, paint, fibers, etc.) have been established for general standards and testing methods (metal testing, general testing, etc.) It is internationally authoritative and is used all over the world. Equivalent to Japanese JIS CPSC (U.S. Consumer Product Safety Commission): An independent government agency that has been established in accordance with the Consumer Product Safety Act, a legally authorized presidential agency that produces various guidelines for household appliances and individuals and childrens products.