Smiles are in, toxins are out. All SPY + Non Toxic Revolution (NTR) sunglasses are made with 100% biodegradable Plantate™an all-natural plant polysaccharide material. A portion of every sale of NTR sunglasses and snow goggles goes towards The Keep A Breast Foundation and its mission of informing, educating and inspiring young people to choose non-toxic products to help reduce instances of breast cancer. For more information, visit www.kabntr.org