Acrylic lens, plastic frame with spring hinges Block 90% blue light, 30% color distortion Frame width about 5 3/8?inches (137mm) Lens width about 2 inches (51mm) Lens height about 1 3/4 inches (44mm) Bridge(DBL) about 1/2 inches (12mm) Temple length about 5 1/2 inches (140mm)