The KOAPRO Massage Tools' versatile pressure points are made with German polymers. Our plastic formulation is proprietary and DO NOT contain the following as raw materials: Benzotriazol, Bisphenol A (BPA), Bisphenol S (BPS), Dimethyl fumarate, Latex, Octabromodiphenyl ethers, Pentabromodiphenyl ethers, or Polybrominated diphenyl ethers (PBDE)