Yes, The SmartTrack material is BPA-free, ensuring a safer and healthier option. BPA, which stands for Bisphenol-A, is a chemical typically present in some plastics. However, with the BPA-free SmartTrack material, you are assured of a product free from this potentially harmful chemical. Our SmartTrack material is completely free from BPA. This makes it a safe choice. It is made of a safe, effective multilayer polyurethane resin, specifically engineered for orthodontic aligners.