Spark Aligners are made with TruGEN™, the latest innovation in clear aligner material. They are nearly invisible and are clearer, more comfortable, and stain less than the leading aligner brand. In addition, Spark Aligners are designed for more efficient and effective tooth movement. Discover the difference Spark Clear Aligners can make for you when you try a product that’s BPA, mercury, latex, and phthalate-free!