Calvin Klein Acetate Frame Grey Lens Ladies Sunglasses CK8540S5616214. 56 mm square shaped non-polarized grey plastic lens. Bridge Width: 16 mm. Arm Length: 135 mm. Havana/tortoise acetate frame. Lenses with 100% UV protection. IMPORTANT WARRANTY INFORMATION: Please note that seller provides its own warranty for the products sold by seller; the manufacturer's warranty may not apply to products purchased from this seller. For additional warranty related issues or information, please contact us directly.