The tokidoki x GUNNAR Sweet Fruits Unicorno glasses feature a cat-eye shape with precision-engineered polymer construction, providing protection for your eyes at the computer with the Amber lens or outdoors with the Sun lens option; they include flexible spring hinges, GUNNAR patented lens technology, and G-Shield® Plus lens coatings that are anti-reflective and smudge resistant, blocking harmful blue light and 100% UV rays, and are officially licensed tokidoki® glasses. Specs include a lens width of 52 mm, lens height of 40 mm, nose width of 21 mm, frame width of 135 mm, temple length of 140 mm, and a weight of 33.9 grams (without packaging). Included with your purchase are a collectors glasses case, microfiber pouch, microfiber cleaning cloth, and a 12-month warranty.