Completely biodegradable. Safe on paint, chrome, aluminum, plastic, rubber and vinyl. Handy unbreakable bottle. Ships via ground transportation in USA lower 48 states only, air shipping not available due to air regulations. We are not able to ship internationally or to Canada due to shipping regulations.Only available in USA lower 48 States WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.