Clip on sunglasses, Polarized sunglasses, Fashoin sunglasses, Party sunglasses, Promotion sunglasses 1) Frame:high nickel2) Lens:polarized lens.3)Function:Clip up and don easily,UV400,Cover the face of frame.4)We have other models from this series. Clip on sunglasses,clip up sunglasses,clip on polarized lens,clip up