Using advanced edging technology and high-quality materials our premium sunglasses have a luxurious look and feel with subtly curved lenses. This medium-sized square frame is made with lightweight TR90 plastic. Available in matte black or matte tortoiseshell we love this stylish frame. The shiny metal temple arms have matte acetate temple tips. Please note the actual pattern on eyeglasses may vary slightly from the one pictured.Need progressives? Shop a similar frame style here. | Zenni Preppy Square Rx Sunglasses Tortoiseshell Full Rim Frame