Haven Fits Over Sunwear 18 51 Rectangular Polarized Sunglasses Imported Metal frame Plastic lens Polarized 100% UVA/UVB protection coating Lens width: 51 millimeters Lens height: 24 millimeters Bridge: 1 millimeters Arm: 4 millimeters Wear over plastic style prescription glasses Oleophobic lens coating repels oil, water and smudges Prongs won't scratch eyeglass lenses