Unisex Retro Polarized Square Metal Wire Sunglasses - Sylvia & Sam With Spring Hinges Resin frame Composit lens Polarized Lens width: 54 millimeters Lens height: 33 millimeters Bridge: 20 millimeters Arm: 136 millimeters Increases visual comfort. Our ploarized lens technology is designed to eliminate reflective glare and to protect against harmful UVA and UVB rays Enhances visual clarity and contrast when exposed to reflective objects such as sunlight, water, snow, pavement, sand etc. Reduces eyestrain and eye fatigue by eliminating the frequent adjustments that the eyes must make when exposed to changing glare intensities. Conveys colors faithfully by passing light through 7 layers of filtration Precision - Decentered Lenses. By shifting the lens focal point from the geometric center to a point along its radial curve that serves as the optical center, our lenses offer clear-wrap frame styles while maintaining optically perfect, distortion-free vision Lens width: 54 mm, Lens height: 33 mm, Bridge: 20 mm, Arm: 136 mm You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!