Looper - Replacement lenses for Wolt round sunglassesOur replacement lenses for sunglasses Looper Our interchangeable lenses have a 4 in 1 function which includes polarization, UV blockage, ad blockage and anti blue light. We have designed the lenses to be flexible, convenient, high quality and versatile in order for you to be able to easily exchange them on the go. Our tool less design and our breakthrough lens changing mechanism makes it easy to use the interchangeable lenses no matter where you are