BV Eye Protection Anti Blue Light Glasses Premium Stylish Vintage Unisex Square Combination Frame Lens Material : Acrylic. Frame Material : Acetate. Lens Type : Demo Lens. Lens Refractive Index : 0. Frame Type : Full. Suitable for : Unisex. Style : Classic. Suitable for Face : Round Face. Lens Color : Clear. Function : for Fashion. Shape : Rectangle. Color : 6 Colors. Vintage, Eyes, Rc Lens, Unisex, Lens, Eye Protection, Light, Eye, Premium