High Power Airsoft has been developing, producing, and selling enhanced biodegradable BBs for over 15 years. An independent test that represents biologically active landfill effects on our products has shown up to 25.6 percent adjusted biodegradation in 358 days. The High Power Airsoft enhanced biodegradable BB’s are manufactured to conform to the biodegradable process approved by the USA Department Of Natural Resources, WA.