The new Red Tortoise Readers add a playful style to your look. Accented with our interlocking CC logo, wear this as your everyday pair to elevate your outfit. Complimentary canvas case included. Blue light filtering specs filter up to 40% of blue light emitted from digital devices, artificial fluorescent and LED light exposure. Flex hinges for long wearing comfort fits a variety of head sizes. Anti-reflective coating. Distortion free lens for better acuity. Optical fit: 53mm lens width, 15mm bridge, 140mm temple length. 50% polycarbonate, 50% acrylic. Imported.