MadBull Airsoft proudly announce that the MadBull P-Life Bio BB material approved by SP Technical Research Institute of Sweden ASTM D6954... "Dear friends, We got ASTM D6954 certification which proof our Bio BB is true Bio-degradable. MadBull Airsoft has over 20 different BB and more verities than anyone else. Our factory OEM for top brand Japan BB for years!

Our P-Life Bio BB has been proved totally Bio-degradable and at competitive price. However, many players in Europe ask us to manufacturer PLA Bio BBs.  We may start to use PLA material and produce our PLA Bio BBs to give customers more choice. PLA BBs may be more expensive than P-Life BBs.

You can download the PDF document here."