Cocoons Polarized Clip-on Square 3 Sunglasses Imported Metal frame Plastic lens Polarized 100% UVA and UVB Protection coating Lens width: 57 millimeters Lens height: 47 millimeters Bridge: 26 millimeters Ultra lightweight Scratch resistant Spring bridge Case included Square 3 - 57 fits a maximum of 140 mm (51/2 inches) x 46 mm (1 7/8 inches) Polarized 100% uv protection