Acrylic lens, metal frame without spring hinges Block 40% blue light, almost no color distortion Frame width about 5 1/8 inches (130mm) Lens width about 2 1/8 inches(53mm) Lens height about 1 11/16 inches(43mm) Bridge(DBL) about 11/16 inches(18mm) Temple length about 5 1/8 inches(130mm)